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we are coming to you live from here at

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the spacecraft assembly facility at

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nasa's jet propulsion laboratory

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now jpl is known for robotic exploration

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of the solar system and many of those

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robots were made right here

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in high bay one if you were with us last

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week you might have seen the nissar

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spacecraft this is a

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nasa indian space agency collaboration

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it's an earth science mission and it is

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not the only spacecraft that's in here

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just this past weekend we received much

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of the hardware

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for the psyche mission now psyche is

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going to be headed to an asteroid of the

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same name in the main belt

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and here to tell us more about the

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hardware that we're seeing today

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what the mission will do is project

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systems engineer

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david o hey david hi stephanie pleasure

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to be here

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all right so david is here to answer

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your questions

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so be sure to keep those coming in the

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chat wherever you're watching

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and we'll be answering live for the next

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half hour or so

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we'll also be answering in the comments

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later on if you're watching this on

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demand

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so i'm going to go ahead and start with

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some of the questions that have already

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come

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in tapaji raj you are all of us he's got

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some great questions here

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about what psyche is and what it's going

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to do so

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what instruments are there and what are

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they going to do what are their

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functions

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so the psyche spacecraft is going to go

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visit an asteroid called psyche which is

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the largest metal asteroid in the solar

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system

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and it's going to go try and figure out

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where it came from and how it was

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created

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and what it's doing there so in order to

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do that we have three different

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instruments on here we have a

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magnetometer

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which is a device that measures magnetic

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fields which will tell us if it has a

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magnetic field around it we have an

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imager which takes pictures of it which

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allows us to see what the surface looks

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like

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and we have a gamma ray neutron

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spectrometer which allows us to

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determine the elemental composition of

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the surface

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by looking at gamma-ray emissions from

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the surface which are caused by cosmic

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rays as they hit the surface

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all right so you anticipated one of his

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follow-up questions

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is will it take pictures of the asteroid

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yeah it's got an imager

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yes it will take pictures of the

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asteroid it's got an imager on there

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made by the same company that makes some

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of the the uh

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the imagers that are on the perseverance

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rover so we're using

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that same camera technology to go take

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pictures out at this asteroid

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okay and uh when is the spacecraft

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slated to launch

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so about a year and a half from now

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fantastic what needs to happen between

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now

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and then oh boy well we've got

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the basic body of the spacecraft here

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this contains the basic propulsion

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system and structure

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and we need to put on to this uh the

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brains of the of the spacecraft the

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computer is actually made here at jpl

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and the software is made at jpl so we're

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going to take

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that computer and that software put it

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on board the spacecraft

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and then we'll be able to test it with

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the in science instruments make sure it

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all works together

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and then put it through a full test

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program where we take it and we put it

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in environmental test chambers so we

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we shake it on a vibe table like it's

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launching we

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vibrate um we we bake it in a thermal

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chamber we expose it to liquid nitrogen

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level cold

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and to solar lamps which make it warm so

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it'll be

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exposed to the heat and the cold of

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space we want to put it through its

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paces here on earth

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to make sure it'll work when we actually

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get to space and after we're done with

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all that testing

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um we take it to launch base so we can

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launch it and where will we be launching

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from

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canaveral okay and do you know what kind

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of rocket it'll be going up on

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yes it'll be launching on a falcon heavy

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which is fantastic i think it's the

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first falcon heavy to go interplanetary

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is what i recall superlative okay well

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we don't have the rocket here today but

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we do have a lot of the spacecraft you

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want to just

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walk us through from left to right some

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of the the hardware that we can see

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sure what you see here is what we call

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the solar electric propulsion

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chassis it just like the chassis of a

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car it contains the structure

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and the propulsion system and

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and really the power that makes it go so

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if you look at it from

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left to right what you see over here on

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the left the big silver thing is the

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main antenna that's the high gain

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antenna that allows it to communicate

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with us

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from hundreds of millions of miles away

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there are two underneath it there are

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two booms one will support

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the gamma-ray spectrometer instrument

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the other will support the magnetometer

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we support those away from the

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spacecraft bodies so they get clean

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views

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of the asteroid and then as you move

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down from that what you see is the main

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body

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you can see a whole bunch of red boxes

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on there those are thermal louvers those

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red things are actually covers that

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we'll remove before we

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launch but those are louvers which open

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and close to control the temperature of

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the spacecraft

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and then on the side that round thing

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you see there that's where the solar

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rays plug in because there are

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two big solar arrays that go into this

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you're seeing just a small part of what

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this thing looks like when it's fully

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deployed you've got

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five big panels of solar arrays on each

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side generating 20 kilowatts of power

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total

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near earth and that's what provides the

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power that goes with it

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so this spacecraft will use solar

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electric propulsion

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can you explain what that means and

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what's so

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innovative about it sure solar electric

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propulsion

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into orbit around psyche

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and it's a type of system that takes

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solar power converted into

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which is converting to electricity and

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takes that electricity and converts it

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into thrust

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it does that by using electricity to

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ionize xenon gas

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which is our propellant that xenon gas

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is ionized which charges it

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and then it's put through a magnetic

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field and an electric field which

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accelerated out the back of the

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spacecraft

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and by doing that we can generate thrust

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so that we can operate the spacecraft

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in space and get it accelerated get it

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to go to psyche which is where we want

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it to end up

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so this is the same kind of propulsion

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system

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that we saw in the dawn spacecraft it's

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similar to it it's in the same general

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family it's electric propulsion

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okay the dawn spacecraft used what we

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call ion thrusters gridded ion thrusters

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which is one way of doing this

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electric propulsion this spacecraft uses

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a different type of technology it uses

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hall effect thrusters

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gridless devices that use magnetic

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fields to hold electrons

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and uh this will actually be the first

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the first time we've flown

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the hull thrusters beyond lunar orbits

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these are going to be the first time

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hull thrusters have gone

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interplanetary in human history

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fantastic

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okay well once you've launched how long

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does it take you to get

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out to the main belt and get to 16

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psyche

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it takes about three and a half years

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for us to get out there so we launch in

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2022

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do a three and a half year cruise then

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we take about 20

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21 22 months at psyche orbiting

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the asteroid itself to collect our

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science data

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all right so this is not your first

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mission

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here at jpl and i think you're in a

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unique position to be able to help

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adrian out with his question adrian on

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facebook asks

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can you explain more of what's in this

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room

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the attributes of high bay one here so

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high bay one is one of jpl's historic

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facilities where they've manufactured

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spacecraft for uh decades certainly as

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long as i've been here

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and you can see on the back there are

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series of badges showing the various

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spacecraft which have been

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manufactured here at jpl in this high

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bay which will go all the way back to

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ranger

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i think the year on that is 1961 is that

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the year on there it goes back to the

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beginning of the space age when the

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first space probes were being built

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this is a big clean room facility it

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keeps the spacecraft clean keeps them

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from being contaminated as we build them

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i've i was here when the curiosity rover

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was built here i think the perseverance

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rover was built here

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last year before it launched and now

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we're building psyche here

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in this facility and uh this is where

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spacecrafter

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are born and where they're built

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absolutely

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so if as gabby's been panning here

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across all of those

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icons there in the back those mission

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patches in the back

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they also include the voyager spacecraft

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all the mars rovers were made here

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so perseverance and curiosity

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spirit opportunity sojourner this is

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this is a hallowed hall

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and uh and we've got a little bit more

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room so

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we're still awaiting the installation of

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the perseverance

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patch and then next to that will be

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nicer and then psyche

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yep we'll be in good company fantastic

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okay so moving on to more questions

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everybody keep those questions coming

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jessica on facebook wants to know how do

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we know

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what psyche is made of

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um do we mean now or when we get there

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because those are two different

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00:08:35,750 --> 00:08:34,080
questions

286
00:08:37,670 --> 00:08:35,760
all right well let's let's let's talk

287
00:08:38,310 --> 00:08:37,680
about what we know and what we don't

288
00:08:40,230 --> 00:08:38,320
know

289
00:08:41,670 --> 00:08:40,240
and if we if we knew everything there

290
00:08:41,909 --> 00:08:41,680
would be no point in going to explore

291
00:08:46,870 --> 00:08:41,919
right

292
00:08:48,630 --> 00:08:46,880
know about psyche well what we believe

293
00:08:50,150 --> 00:08:48,640
about psyche is that it's made about 40

294
00:08:52,230 --> 00:08:50,160
to 60 percent metal

295
00:08:53,990 --> 00:08:52,240
and we deduce that from estimates that

296
00:08:55,590 --> 00:08:54,000
we've made of its mass how much it

297
00:08:57,670 --> 00:08:55,600
weighs and how big it is

298
00:08:59,190 --> 00:08:57,680
and from that we can deduce its density

299
00:09:00,230 --> 00:08:59,200
and from its density we can look at it

300
00:09:02,550 --> 00:09:00,240
and go well that thing

301
00:09:04,310 --> 00:09:02,560
that thing seems pretty dense so we can

302
00:09:06,710 --> 00:09:04,320
back out from that that it's in the m

303
00:09:08,070 --> 00:09:06,720
class it's a metallic class asteroid

304
00:09:10,230 --> 00:09:08,080
exactly how much metal there is of

305
00:09:13,030 --> 00:09:10,240
course we won't know until we get there

306
00:09:14,150 --> 00:09:13,040
and so it's when we get there first of

307
00:09:15,509 --> 00:09:14,160
all when we get there it'll be the first

308
00:09:17,110 --> 00:09:15,519
time that it ever looks to us

309
00:09:18,230 --> 00:09:17,120
more than just like a speck of light

310
00:09:18,870 --> 00:09:18,240
right now when you look at it in a

311
00:09:21,910 --> 00:09:18,880
telescope

312
00:09:23,910 --> 00:09:21,920
it's it's fun to look at but it's really

313
00:09:25,350 --> 00:09:23,920
just a tiny pinpoint of light there

314
00:09:26,949 --> 00:09:25,360
when we get there we'll be able to take

315
00:09:28,150 --> 00:09:26,959
pictures of the surface that

316
00:09:30,070 --> 00:09:28,160
magnetometer

317
00:09:32,230 --> 00:09:30,080
if we detect a magnetic field coming

318
00:09:33,670 --> 00:09:32,240
from psyche that will be a sign that it

319
00:09:34,150 --> 00:09:33,680
used to be part of the inside of a

320
00:09:35,670 --> 00:09:34,160
planet

321
00:09:38,150 --> 00:09:35,680
because well the earth has a magnetic

322
00:09:40,150 --> 00:09:38,160
field but that magnetic field comes from

323
00:09:41,670 --> 00:09:40,160
the molten core that sits inside of the

324
00:09:43,990 --> 00:09:41,680
earth the iron core

325
00:09:45,750 --> 00:09:44,000
and so if psyche was once part of the

326
00:09:47,509 --> 00:09:45,760
inside of a forming planet that it may

327
00:09:49,110 --> 00:09:47,519
have picked up those magnetic fields

328
00:09:51,350 --> 00:09:49,120
have remnants of those magnetic fields

329
00:09:52,389 --> 00:09:51,360
that we can detect now even billions of

330
00:09:53,829 --> 00:09:52,399
years later

331
00:09:55,269 --> 00:09:53,839
um what the gamma-ray neutron

332
00:09:56,150 --> 00:09:55,279
spectrometer will let us look at it and

333
00:09:57,750 --> 00:09:56,160
determine

334
00:09:59,430 --> 00:09:57,760
exactly what's in that metal whether

335
00:10:01,269 --> 00:09:59,440
there's nickel in there whether there's

336
00:10:02,710 --> 00:10:01,279
gold whether there's other materials

337
00:10:04,389 --> 00:10:02,720
and from that we can determine how it

338
00:10:05,670 --> 00:10:04,399
was created and what's in there and then

339
00:10:07,590 --> 00:10:05,680
the imager of course shows us the

340
00:10:08,470 --> 00:10:07,600
surface and by filtering those images we

341
00:10:10,630 --> 00:10:08,480
can tell some of the

342
00:10:11,990 --> 00:10:10,640
surface composition of the surface by

343
00:10:14,230 --> 00:10:12,000
looking at the colors and the

344
00:10:15,829 --> 00:10:14,240
frequencies coming off of it

345
00:10:17,750 --> 00:10:15,839
so everything you've described with the

346
00:10:18,949 --> 00:10:17,760
instrumentation this is all remote

347
00:10:21,509 --> 00:10:18,959
science there's no

348
00:10:23,829 --> 00:10:21,519
actual contact that happens right not

349
00:10:26,790 --> 00:10:23,839
this one we're not landing this time

350
00:10:27,750 --> 00:10:26,800
well thomas wants to know is it a

351
00:10:30,630 --> 00:10:27,760
one-way trip

352
00:10:31,509 --> 00:10:30,640
and why not try to take a sample it is a

353
00:10:33,430 --> 00:10:31,519
one-way trip

354
00:10:34,870 --> 00:10:33,440
uh we don't have the propellant on board

355
00:10:36,630 --> 00:10:34,880
to be able to come back

356
00:10:38,389 --> 00:10:36,640
the fuel in essence to be able to come

357
00:10:39,910 --> 00:10:38,399
back and um

358
00:10:41,590 --> 00:10:39,920
we're not going to be trying to land and

359
00:10:43,110 --> 00:10:41,600
sample it because

360
00:10:44,870 --> 00:10:43,120
quite frankly we don't know what the

361
00:10:47,990 --> 00:10:44,880
surface looks like we have never

362
00:10:48,630 --> 00:10:48,000
been to a metal asteroid before now

363
00:10:50,550 --> 00:10:48,640
we've been to

364
00:10:52,230 --> 00:10:50,560
asteroids that are made of rock and

365
00:10:53,990 --> 00:10:52,240
we've seen worlds like pluto that have a

366
00:10:54,949 --> 00:10:54,000
lot of ice and we've been to gas giants

367
00:10:56,630 --> 00:10:54,959
like jupiter

368
00:10:58,949 --> 00:10:56,640
but this is really our first time

369
00:11:00,630 --> 00:10:58,959
visiting a large metal body

370
00:11:02,230 --> 00:11:00,640
so we don't know if we can land on the

371
00:11:03,750 --> 00:11:02,240
surface we don't know if it's

372
00:11:05,670 --> 00:11:03,760
if it's rocky we don't know if they're

373
00:11:07,350 --> 00:11:05,680
craters so we need to really

374
00:11:08,310 --> 00:11:07,360
consider this the first survey mission

375
00:11:09,990 --> 00:11:08,320
we're going to go out and we're going to

376
00:11:10,550 --> 00:11:10,000
see what this thing is see what it looks

377
00:11:11,990 --> 00:11:10,560
like

378
00:11:13,509 --> 00:11:12,000
and then once we know more about it

379
00:11:15,269 --> 00:11:13,519
we'll be able to send out a spacecraft

380
00:11:16,389 --> 00:11:15,279
that can land on it or take samples and

381
00:11:17,910 --> 00:11:16,399
do things like that

382
00:11:19,750 --> 00:11:17,920
but this is really our first time seeing

383
00:11:21,990 --> 00:11:19,760
a brand new body so it's a little early

384
00:11:24,550 --> 00:11:22,000
for us to try and land on it

385
00:11:27,030 --> 00:11:24,560
well okay so when we get there we go

386
00:11:29,269 --> 00:11:27,040
into orbit around psyche

387
00:11:30,870 --> 00:11:29,279
how long will we stay there and will we

388
00:11:32,069 --> 00:11:30,880
stay at the same altitude will we stay

389
00:11:33,190 --> 00:11:32,079
at the same angle are you going to

390
00:11:36,550 --> 00:11:33,200
change things up

391
00:11:38,630 --> 00:11:36,560
we will be there for about 21 months

392
00:11:40,389 --> 00:11:38,640
and we will be in a series of four

393
00:11:42,790 --> 00:11:40,399
different orbits starting way up high

394
00:11:43,910 --> 00:11:42,800
going down low the lowest orbit will be

395
00:11:46,470 --> 00:11:43,920
within about one

396
00:11:49,829 --> 00:11:46,480
planetary diameter so it'll be within

397
00:11:51,670 --> 00:11:49,839
about 150 kilometers of the surface 150

398
00:11:53,190 --> 00:11:51,680
miles of the surface i guess about 200

399
00:11:54,790 --> 00:11:53,200
kilometers of the surface

400
00:11:56,629 --> 00:11:54,800
and it's in that lowest orbit that the

401
00:11:57,350 --> 00:11:56,639
gamma-ray spectrometer can operate and

402
00:11:59,509 --> 00:11:57,360
take its

403
00:12:01,670 --> 00:11:59,519
elemental data but before we can go

404
00:12:03,430 --> 00:12:01,680
there we start in these higher orbits

405
00:12:05,110 --> 00:12:03,440
because we actually have to go and as i

406
00:12:07,030 --> 00:12:05,120
said we've never been to an asteroid

407
00:12:07,910 --> 00:12:07,040
like this before we have to survey it so

408
00:12:09,750 --> 00:12:07,920
we start up

409
00:12:11,190 --> 00:12:09,760
in a high orbit where we can determine

410
00:12:12,949 --> 00:12:11,200
what the gravity field looks like and

411
00:12:14,710 --> 00:12:12,959
determine what the stable orbits are

412
00:12:16,150 --> 00:12:14,720
present in the asteroid and then after

413
00:12:17,190 --> 00:12:16,160
as we learn that we move to lower and

414
00:12:18,790 --> 00:12:17,200
lower orbits

415
00:12:20,150 --> 00:12:18,800
making sure we can get safely to the

416
00:12:20,710 --> 00:12:20,160
lowest orbit that we need to do the

417
00:12:22,550 --> 00:12:20,720
science

418
00:12:24,310 --> 00:12:22,560
one thing we haven't talked about is how

419
00:12:28,230 --> 00:12:24,320
big is psyche

420
00:12:29,030 --> 00:12:28,240
psyche is about let's call it 125 miles

421
00:12:30,550 --> 00:12:29,040
in diameter

422
00:12:32,870 --> 00:12:30,560
it's a little over 200 kilometers in

423
00:12:35,990 --> 00:12:32,880
diameter it's about the size of

424
00:12:37,750 --> 00:12:36,000
massachusetts i think it's the distance

425
00:12:39,110 --> 00:12:37,760
between tucson and phoenix you know a

426
00:12:40,470 --> 00:12:39,120
decent part of the size of southern

427
00:12:42,870 --> 00:12:40,480
california it's big

428
00:12:44,150 --> 00:12:42,880
it's a big one so imagine something that

429
00:12:48,310 --> 00:12:44,160
big that's made of

430
00:12:50,150 --> 00:12:48,320
40 60 percent metal it's just huge

431
00:12:51,590 --> 00:12:50,160
okay all right keep those questions

432
00:12:53,750 --> 00:12:51,600
coming in everybody

433
00:12:55,509 --> 00:12:53,760
moon to mars quest on facebook we've got

434
00:12:58,389 --> 00:12:55,519
your question right here

435
00:12:59,590 --> 00:12:58,399
um will available light at that distance

436
00:13:02,790 --> 00:12:59,600
be a restrictive

437
00:13:04,710 --> 00:13:02,800
factor for the imaging cameras on board

438
00:13:06,150 --> 00:13:04,720
and what resolution will you be working

439
00:13:09,269 --> 00:13:06,160
with on those cameras

440
00:13:11,030 --> 00:13:09,279
um the the pres the light is a big

441
00:13:13,190 --> 00:13:11,040
design factor in the cameras but we

442
00:13:14,949 --> 00:13:13,200
design the cameras with big lenses

443
00:13:16,790 --> 00:13:14,959
so that they can operate in that

444
00:13:18,550 --> 00:13:16,800
lighting condition um of course we can

445
00:13:20,150 --> 00:13:18,560
only take pictures when it's light at

446
00:13:21,030 --> 00:13:20,160
psyche we can't take pictures when it's

447
00:13:22,629 --> 00:13:21,040
dark

448
00:13:24,470 --> 00:13:22,639
an interesting thing about psyche is

449
00:13:25,910 --> 00:13:24,480
that you know the earth rotates and it

450
00:13:27,509 --> 00:13:25,920
has a night and a day

451
00:13:29,110 --> 00:13:27,519
well psyche rotates but it's actually

452
00:13:31,110 --> 00:13:29,120
turned over on its side

453
00:13:32,710 --> 00:13:31,120
so um there are parts of its orbit where

454
00:13:34,150 --> 00:13:32,720
like one half is lit up and the other

455
00:13:35,670 --> 00:13:34,160
half is not lit up because it's kind of

456
00:13:36,710 --> 00:13:35,680
spinning like this and the sun is over

457
00:13:37,750 --> 00:13:36,720
there and there are other parts where it

458
00:13:40,069 --> 00:13:37,760
has a normal

459
00:13:40,949 --> 00:13:40,079
night and day type cycle so we have to

460
00:13:42,949 --> 00:13:40,959
sync up

461
00:13:44,470 --> 00:13:42,959
our spacecraft to arrive in such a way

462
00:13:45,670 --> 00:13:44,480
that we can get pictures of the whole

463
00:13:47,509 --> 00:13:45,680
surface so that we

464
00:13:49,509 --> 00:13:47,519
know that there'll be light covering the

465
00:13:51,110 --> 00:13:49,519
whole surface as it rotates

466
00:13:53,030 --> 00:13:51,120
otherwise we end up with just half of

467
00:13:54,069 --> 00:13:53,040
psyche and that's much less fun than

468
00:13:56,470 --> 00:13:54,079
having all of it

469
00:13:57,269 --> 00:13:56,480
exactly yeah i'm looking forward already

470
00:14:00,310 --> 00:13:57,279
to you know

471
00:14:01,110 --> 00:14:00,320
3d models made with the data that that

472
00:14:02,389 --> 00:14:01,120
you'll have

473
00:14:04,629 --> 00:14:02,399
that's right we build our own shape

474
00:14:06,470 --> 00:14:04,639
models off of that 3d 3d models that we

475
00:14:07,670 --> 00:14:06,480
then use to estimate the gravity

476
00:14:09,269 --> 00:14:07,680
and we can figure out some things about

477
00:14:11,110 --> 00:14:09,279
what the inside of the asteroid looks

478
00:14:12,870 --> 00:14:11,120
like from that gravity field so

479
00:14:14,389 --> 00:14:12,880
these are all important parts for the

480
00:14:16,150 --> 00:14:14,399
scientist in learning learning what

481
00:14:17,030 --> 00:14:16,160
psyche is made of today and how it came

482
00:14:19,350 --> 00:14:17,040
to be

483
00:14:20,790 --> 00:14:19,360
all right so uh at the top of the show i

484
00:14:21,750 --> 00:14:20,800
mentioned that your project systems

485
00:14:24,470 --> 00:14:21,760
engineer

486
00:14:25,269 --> 00:14:24,480
can you tell us more what does that mean

487
00:14:29,110 --> 00:14:25,279
in

488
00:14:31,990 --> 00:14:29,120
your days on the mission

489
00:14:33,590 --> 00:14:32,000
sure the project systems engineer uh

490
00:14:35,110 --> 00:14:33,600
well i'm the project systems engineer

491
00:14:36,629 --> 00:14:35,120
what they call the engineering technical

492
00:14:38,470 --> 00:14:36,639
authority um

493
00:14:39,750 --> 00:14:38,480
i and the team that i lead are a team of

494
00:14:41,030 --> 00:14:39,760
engineers that are in charge of making

495
00:14:42,069 --> 00:14:41,040
sure all the different pieces of the

496
00:14:43,829 --> 00:14:42,079
mission the

497
00:14:45,350 --> 00:14:43,839
instruments and the spacecraft and the

498
00:14:46,310 --> 00:14:45,360
ground system and the rocket will all

499
00:14:47,829 --> 00:14:46,320
work together

500
00:14:49,910 --> 00:14:47,839
to be able to accomplish the mission's

501
00:14:51,750 --> 00:14:49,920
goals so we're in charge of eventually

502
00:14:54,389 --> 00:14:51,760
making sure that it all comes together

503
00:14:55,110 --> 00:14:54,399
and works together um systems engineers

504
00:14:56,790 --> 00:14:55,120
are

505
00:14:57,990 --> 00:14:56,800
generalists you know they tend to

506
00:14:59,269 --> 00:14:58,000
operate in a whole bunch of different

507
00:15:00,870 --> 00:14:59,279
areas because you're pulling together

508
00:15:03,350 --> 00:15:00,880
all these different pieces

509
00:15:05,189 --> 00:15:03,360
it's a lot of fun work we get to

510
00:15:07,430 --> 00:15:05,199
interact with a lot of different people

511
00:15:11,189 --> 00:15:07,440
now right now under kovid my time is

512
00:15:14,710 --> 00:15:13,350
i think normally we get to interact with

513
00:15:16,389 --> 00:15:14,720
a lot of different people and go down

514
00:15:16,870 --> 00:15:16,399
and see the fun hardware and things like

515
00:15:18,949 --> 00:15:16,880
that

516
00:15:20,710 --> 00:15:18,959
in trying to interact with everybody we

517
00:15:22,470 --> 00:15:20,720
what we do is we build teams we build

518
00:15:24,790 --> 00:15:22,480
collaborative teams of engineers that

519
00:15:27,670 --> 00:15:24,800
work together to make the mission work

520
00:15:28,069 --> 00:15:27,680
and what uh what was the path that you

521
00:15:31,350 --> 00:15:28,079
took

522
00:15:35,030 --> 00:15:31,360
to get where you are today oh um

523
00:15:37,670 --> 00:15:35,040
well i uh i grew up in alabama

524
00:15:39,509 --> 00:15:37,680
actually and i went to high school there

525
00:15:40,230 --> 00:15:39,519
and i was good at science and math but

526
00:15:41,509 --> 00:15:40,240
to be honest

527
00:15:43,269 --> 00:15:41,519
i didn't even really know what

528
00:15:45,189 --> 00:15:43,279
engineering was when i graduated because

529
00:15:47,509 --> 00:15:45,199
i hadn't really met any engineers

530
00:15:48,629 --> 00:15:47,519
i didn't really know much about it but i

531
00:15:51,910 --> 00:15:48,639
did uh

532
00:15:54,389 --> 00:15:51,920
i did go to get into mit and so i went

533
00:15:56,870 --> 00:15:54,399
there thinking i might be a scientist or

534
00:15:58,310 --> 00:15:56,880
a physicist or something and then i

535
00:16:01,110 --> 00:15:58,320
discovered what engineering was

536
00:16:02,790 --> 00:16:01,120
and so when the time just came to pick

537
00:16:04,629 --> 00:16:02,800
my major i thought well i think

538
00:16:05,910 --> 00:16:04,639
space is something cool that maybe i

539
00:16:07,910 --> 00:16:05,920
could go work on

540
00:16:09,829 --> 00:16:07,920
and uh and building spacecraft would be

541
00:16:11,430 --> 00:16:09,839
neat and i've been fortunate enough that

542
00:16:14,790 --> 00:16:11,440
i've been able to stay in the field

543
00:16:16,310 --> 00:16:14,800
since then i got my phd there and then

544
00:16:17,749 --> 00:16:16,320
went and worked in commercial industry

545
00:16:18,310 --> 00:16:17,759
worked on commercial satellites for

546
00:16:20,629 --> 00:16:18,320
maxar

547
00:16:21,910 --> 00:16:20,639
the company that makes this chassis

548
00:16:22,870 --> 00:16:21,920
building the types of satellites that

549
00:16:24,310 --> 00:16:22,880
carry direct tv

550
00:16:26,389 --> 00:16:24,320
and serious satellite radio all the

551
00:16:27,590 --> 00:16:26,399
commercial stuff and then uh

552
00:16:30,150 --> 00:16:27,600
worked there for seven years and then

553
00:16:31,749 --> 00:16:30,160
came to jpl and here i've been a system

554
00:16:33,430 --> 00:16:31,759
engineer working on the curiosity mars

555
00:16:35,430 --> 00:16:33,440
rover and i helped

556
00:16:37,350 --> 00:16:35,440
i work on mission proposals to help

557
00:16:38,790 --> 00:16:37,360
helping create missions like psyche

558
00:16:41,110 --> 00:16:38,800
um which is one of the fun things that

559
00:16:44,150 --> 00:16:41,120
we do here so you've been on psyche

560
00:16:45,590 --> 00:16:44,160
almost from the get-go right uh yes i

561
00:16:48,069 --> 00:16:45,600
think that's right i think i was the

562
00:16:50,069 --> 00:16:48,079
12th or 13th person to join the project

563
00:16:52,230 --> 00:16:50,079
was it just a cocktail napkin sketch at

564
00:16:54,790 --> 00:16:52,240
that point or a whiteboard sketch or

565
00:16:56,389 --> 00:16:54,800
oh i wish we had a cocktail napkin

566
00:16:58,550 --> 00:16:56,399
sketch or a whiteboard sketch no

567
00:16:59,749 --> 00:16:58,560
it started it was an idea it was a set

568
00:17:02,069 --> 00:16:59,759
of goals

569
00:17:03,430 --> 00:17:02,079
it was a destination it was a set of

570
00:17:05,029 --> 00:17:03,440
science goals

571
00:17:06,630 --> 00:17:05,039
but we had to go through all the work of

572
00:17:08,470 --> 00:17:06,640
figuring out what kind of instruments do

573
00:17:10,150 --> 00:17:08,480
we want to put on board to do this

574
00:17:12,230 --> 00:17:10,160
how do we want to get there chemical or

575
00:17:13,990 --> 00:17:12,240
electric propulsion

576
00:17:15,909 --> 00:17:14,000
what should our spacecraft look like how

577
00:17:17,990 --> 00:17:15,919
much power do we need these are all

578
00:17:19,829 --> 00:17:18,000
things that we um

579
00:17:21,829 --> 00:17:19,839
that we had to develop ourselves i mean

580
00:17:23,750 --> 00:17:21,839
i can remember this design here which

581
00:17:25,510 --> 00:17:23,760
has the two towers and the big

582
00:17:27,350 --> 00:17:25,520
and the big antenna up on top i can

583
00:17:30,070 --> 00:17:27,360
remember when i

584
00:17:31,270 --> 00:17:30,080
and peter lord who's one of the deputy

585
00:17:33,430 --> 00:17:31,280
not one of the deputy

586
00:17:34,789 --> 00:17:33,440
project managers at maxar and dan gobel

587
00:17:36,150 --> 00:17:34,799
who's the chief engineer

588
00:17:38,310 --> 00:17:36,160
the three of us were sitting in my

589
00:17:39,270 --> 00:17:38,320
office at a white board trying to figure

590
00:17:41,190 --> 00:17:39,280
out okay

591
00:17:42,390 --> 00:17:41,200
we need to tell the configuration

592
00:17:42,870 --> 00:17:42,400
engineers what should this thing look

593
00:17:44,470 --> 00:17:42,880
like

594
00:17:45,669 --> 00:17:44,480
right and we were just drawing on the

595
00:17:46,950 --> 00:17:45,679
whiteboard trying to figure out where we

596
00:17:48,470 --> 00:17:46,960
should put the instruments and where we

597
00:17:50,710 --> 00:17:48,480
should put the antenna

598
00:17:52,230 --> 00:17:50,720
and this is actually pretty close to

599
00:17:54,150 --> 00:17:52,240
what we put on the whiteboard in terms

600
00:17:56,390 --> 00:17:54,160
of its basic configuration they did a

601
00:17:58,789 --> 00:17:56,400
pretty good job

602
00:18:00,390 --> 00:17:58,799
all right well on that note ganza on

603
00:18:03,190 --> 00:18:00,400
facebook wants to know what

604
00:18:06,070 --> 00:18:03,200
is the main challenge that you faced in

605
00:18:08,070 --> 00:18:06,080
the development of the seiki spacecraft

606
00:18:09,750 --> 00:18:08,080
we've had a lot of challenges in the

607
00:18:10,950 --> 00:18:09,760
development of the psyche spacecraft and

608
00:18:12,830 --> 00:18:10,960
there's so many different ways i can

609
00:18:15,270 --> 00:18:12,840
talk about that

610
00:18:16,630 --> 00:18:15,280
um you know what we're doing here with

611
00:18:18,390 --> 00:18:16,640
this design

612
00:18:20,070 --> 00:18:18,400
in a technical sense is we're bringing

613
00:18:21,750 --> 00:18:20,080
together this

614
00:18:23,909 --> 00:18:21,760
propulsion and power system which is

615
00:18:25,270 --> 00:18:23,919
built by maxar and then putting the jpl

616
00:18:28,150 --> 00:18:25,280
computer on top of that and that

617
00:18:30,630 --> 00:18:28,160
requires a high degree of coordination

618
00:18:32,870 --> 00:18:30,640
and really close work between the two

619
00:18:34,870 --> 00:18:32,880
teams so we spent a lot of time

620
00:18:36,549 --> 00:18:34,880
trying to build that team understand all

621
00:18:37,909 --> 00:18:36,559
the technical requirements but also

622
00:18:39,029 --> 00:18:37,919
understand the cultures of each of the

623
00:18:41,110 --> 00:18:39,039
organizations

624
00:18:42,070 --> 00:18:41,120
and bring them together and then on top

625
00:18:44,470 --> 00:18:42,080
of that you stack on

626
00:18:45,110 --> 00:18:44,480
kovid which hit us a year ago and the

627
00:18:46,630 --> 00:18:45,120
fact that we

628
00:18:47,990 --> 00:18:46,640
mostly can no longer meet with each

629
00:18:49,029 --> 00:18:48,000
other in person the folks working on

630
00:18:50,630 --> 00:18:49,039
this hardware

631
00:18:52,070 --> 00:18:50,640
get to go down on the floor but most of

632
00:18:52,870 --> 00:18:52,080
us are working from home and in zoom

633
00:18:55,029 --> 00:18:52,880
meetings

634
00:18:57,430 --> 00:18:55,039
it's been a it's been a real challenge

635
00:18:59,430 --> 00:18:57,440
trying to maintain that but fortunately

636
00:19:01,190 --> 00:18:59,440
the pi lindy believes in building strong

637
00:19:01,830 --> 00:19:01,200
teams strong collaborative teams and

638
00:19:06,070 --> 00:19:01,840
that

639
00:19:07,830 --> 00:19:06,080
been key i think to working effectively

640
00:19:10,870 --> 00:19:07,840
through this whole coven

641
00:19:14,150 --> 00:19:10,880
pandemic thing so on the note

642
00:19:16,310 --> 00:19:14,160
of kovid jessica wants to know how long

643
00:19:18,710 --> 00:19:16,320
will say he be at jpl

644
00:19:19,669 --> 00:19:18,720
and do you think visitors might be able

645
00:19:22,070 --> 00:19:19,679
to see it

646
00:19:24,150 --> 00:19:22,080
post coveted restrictions it will be

647
00:19:25,909 --> 00:19:24,160
here a little bit over a year and

648
00:19:27,190 --> 00:19:25,919
i hope i think visitors will be able to

649
00:19:28,870 --> 00:19:27,200
see it you can come up in the viewing

650
00:19:30,710 --> 00:19:28,880
gallery here or in the sister

651
00:19:33,029 --> 00:19:30,720
high bay high bay 2 where it will also

652
00:19:34,789 --> 00:19:33,039
be and i get to see it

653
00:19:36,549 --> 00:19:34,799
you can't just walk up got to have a

654
00:19:37,270 --> 00:19:36,559
tour guide and all of that but yeah it

655
00:19:38,870 --> 00:19:37,280
should be here

656
00:19:40,549 --> 00:19:38,880
a little over a year and then we'll

657
00:19:41,909 --> 00:19:40,559
it'll ship off to launch base

658
00:19:43,909 --> 00:19:41,919
all right well i'll take that

659
00:19:47,270 --> 00:19:43,919
opportunity to say jessica make sure you

660
00:19:49,909 --> 00:19:47,280
go to jpl.nasa.gov

661
00:19:50,549 --> 00:19:49,919
you can take a virtual tour right now

662
00:19:53,430 --> 00:19:50,559
then go

663
00:19:54,390 --> 00:19:53,440
on the floor of the clean rooms to get

664
00:19:57,029 --> 00:19:54,400
up close

665
00:19:58,070 --> 00:19:57,039
with nysar we took some pictures 360

666
00:19:59,669 --> 00:19:58,080
degree pictures

667
00:20:02,070 --> 00:19:59,679
with nysar down there and you'll get to

668
00:20:04,149 --> 00:20:02,080
see everybody in their their gowns

669
00:20:05,909 --> 00:20:04,159
their cleanroom attire their personal

670
00:20:08,950 --> 00:20:05,919
protective equipment

671
00:20:09,830 --> 00:20:08,960
and in the after times when restrictions

672
00:20:12,070 --> 00:20:09,840
have lifted

673
00:20:13,510 --> 00:20:12,080
we will be taking tours again but for

674
00:20:15,710 --> 00:20:13,520
now everything's virtual

675
00:20:16,870 --> 00:20:15,720
and you can find it there on our website

676
00:20:20,070 --> 00:20:16,880
jpl.nasa.gov

677
00:20:23,190 --> 00:20:20,080
okay back to the questions um

678
00:20:25,350 --> 00:20:23,200
let's see oh jessica

679
00:20:26,950 --> 00:20:25,360
also wants to know is it difficult was

680
00:20:29,190 --> 00:20:26,960
it difficult for you to transition

681
00:20:30,950 --> 00:20:29,200
from a mars project to an asteroid

682
00:20:32,630 --> 00:20:30,960
project oh was it difficult to

683
00:20:34,230 --> 00:20:32,640
transition from a mars project to an

684
00:20:36,149 --> 00:20:34,240
asteroid project well i

685
00:20:37,430 --> 00:20:36,159
so before i worked on mars i worked on

686
00:20:39,830 --> 00:20:37,440
commercial spacecraft

687
00:20:41,830 --> 00:20:39,840
right um communication spacecraft that

688
00:20:43,350 --> 00:20:41,840
go to geostationary orbit at earth

689
00:20:45,669 --> 00:20:43,360
and then went to mars and then went to

690
00:20:47,510 --> 00:20:45,679
this i'd say yes and no

691
00:20:49,029 --> 00:20:47,520
they're different they do very different

692
00:20:52,390 --> 00:20:49,039
things um

693
00:20:55,190 --> 00:20:52,400
but the the physics

694
00:20:55,830 --> 00:20:55,200
is the same when you're in flight and

695
00:20:57,190 --> 00:20:55,840
the

696
00:20:58,710 --> 00:20:57,200
engineers that you work with a lot of

697
00:21:00,070 --> 00:20:58,720
them are the same people not always you

698
00:21:00,950 --> 00:21:00,080
know you're switching people around and

699
00:21:02,950 --> 00:21:00,960
whatnot

700
00:21:04,470 --> 00:21:02,960
the uh and the teams the experience that

701
00:21:05,750 --> 00:21:04,480
you get building one spacecraft does

702
00:21:06,630 --> 00:21:05,760
translate to the building of another

703
00:21:08,950 --> 00:21:06,640
spacecraft

704
00:21:10,230 --> 00:21:08,960
so i it's not as different i think as

705
00:21:12,310 --> 00:21:10,240
you'd think

706
00:21:13,430 --> 00:21:12,320
do you find cultural differences at all

707
00:21:15,029 --> 00:21:13,440
between uh

708
00:21:17,350 --> 00:21:15,039
teams working in different parts of

709
00:21:18,310 --> 00:21:17,360
planetary exploration oh sure there are

710
00:21:20,950 --> 00:21:18,320
strong

711
00:21:22,390 --> 00:21:20,960
cultural differences even within um even

712
00:21:24,149 --> 00:21:22,400
within the project right when you're

713
00:21:25,669 --> 00:21:24,159
working we have a team that's in denmark

714
00:21:27,590 --> 00:21:25,679
for instance right they have cultural

715
00:21:28,870 --> 00:21:27,600
differences and distances and language

716
00:21:30,230 --> 00:21:28,880
and things like that but they still work

717
00:21:32,149 --> 00:21:30,240
with us closely

718
00:21:34,070 --> 00:21:32,159
um early in my career you know i worked

719
00:21:34,950 --> 00:21:34,080
with i worked with russian vendors who

720
00:21:36,470 --> 00:21:34,960
were building

721
00:21:38,070 --> 00:21:36,480
building rockets and stuff like that

722
00:21:39,990 --> 00:21:38,080
they have a very different culture and

723
00:21:41,590 --> 00:21:40,000
how they do things there

724
00:21:43,669 --> 00:21:41,600
worked with the french also when i was

725
00:21:45,590 --> 00:21:43,679
working on communication satellites

726
00:21:46,710 --> 00:21:45,600
all of these different people all these

727
00:21:48,149 --> 00:21:46,720
different cultures

728
00:21:50,149 --> 00:21:48,159
coming together to build these things

729
00:21:52,870 --> 00:21:50,159
collaborative

730
00:21:54,070 --> 00:21:52,880
fantastic well you know it we were

731
00:21:56,390 --> 00:21:54,080
chatting earlier

732
00:21:57,750 --> 00:21:56,400
about you being a fan of the expanse and

733
00:21:58,549 --> 00:21:57,760
i just think it's hilarious that you

734
00:22:01,270 --> 00:21:58,559
started as

735
00:22:02,470 --> 00:22:01,280
an earther you became a martian and now

736
00:22:04,710 --> 00:22:02,480
you're going to go be a belter

737
00:22:05,990 --> 00:22:04,720
oh i did all three ah i thought you're

738
00:22:07,669 --> 00:22:06,000
the first person to point that out

739
00:22:10,789 --> 00:22:07,679
that's fun

740
00:22:11,990 --> 00:22:10,799
all right bus man okay back to the

741
00:22:15,190 --> 00:22:12,000
questions enough of my

742
00:22:15,909 --> 00:22:15,200
jibber-jabber um do you know uh

743
00:22:18,230 --> 00:22:15,919
commander

744
00:22:19,190 --> 00:22:18,240
uh galaga champ that guy's playing

745
00:22:21,750 --> 00:22:19,200
galaga

746
00:22:23,510 --> 00:22:21,760
um wants to know uh if any decisions

747
00:22:24,390 --> 00:22:23,520
have been made about potential public

748
00:22:27,110 --> 00:22:24,400
engagement

749
00:22:27,990 --> 00:22:27,120
ways that people could uh participate in

750
00:22:30,549 --> 00:22:28,000
the mission

751
00:22:31,190 --> 00:22:30,559
uh we'll you know we'll be sending names

752
00:22:33,190 --> 00:22:31,200
along

753
00:22:34,870 --> 00:22:33,200
to ride on the spacecraft or is there

754
00:22:36,789 --> 00:22:34,880
anything you can talk about like that

755
00:22:38,070 --> 00:22:36,799
yeah there's quite a few outreach

756
00:22:40,630 --> 00:22:38,080
programs i think that

757
00:22:41,909 --> 00:22:40,640
have been going for psyche since we uh

758
00:22:43,350 --> 00:22:41,919
since we were selected

759
00:22:45,270 --> 00:22:43,360
as a mission uh there's a psyche

760
00:22:46,149 --> 00:22:45,280
inspired program that people can sign up

761
00:22:47,350 --> 00:22:46,159
for where

762
00:22:49,430 --> 00:22:47,360
you don't have to be an engineer for

763
00:22:50,390 --> 00:22:49,440
that one um people contribute artwork

764
00:22:53,430 --> 00:22:50,400
people contribute have

765
00:22:55,350 --> 00:22:53,440
contributed music it's all part of a the

766
00:22:57,029 --> 00:22:55,360
work that's being done by asu as part of

767
00:22:58,710 --> 00:22:57,039
public outreach

768
00:23:00,070 --> 00:22:58,720
there are i think there is going to be a

769
00:23:01,590 --> 00:23:00,080
program where people can

770
00:23:03,669 --> 00:23:01,600
sign their name and get that put on

771
00:23:06,070 --> 00:23:03,679
psyche as well on a little microchip

772
00:23:07,190 --> 00:23:06,080
and just keep an eye out for all the

773
00:23:08,950 --> 00:23:07,200
different things oh they're also

774
00:23:10,710 --> 00:23:08,960
psychic capstone projects which are out

775
00:23:13,350 --> 00:23:10,720
there if you're at a university

776
00:23:14,870 --> 00:23:13,360
um the psyche project working through i

777
00:23:16,549 --> 00:23:14,880
think it's asu

778
00:23:17,990 --> 00:23:16,559
has signed up different universities

779
00:23:19,110 --> 00:23:18,000
which are able to do little design

780
00:23:21,110 --> 00:23:19,120
projects that are

781
00:23:23,830 --> 00:23:21,120
engineering design projects associated

782
00:23:27,029 --> 00:23:23,840
with psyche so google psyche inspired

783
00:23:28,310 --> 00:23:27,039
um google psyche capstone projects and

784
00:23:29,909 --> 00:23:28,320
you'll see plenty of stuff on there go

785
00:23:31,190 --> 00:23:29,919
to the psyche website there's there's

786
00:23:33,590 --> 00:23:31,200
plenty of stuff on there

787
00:23:35,350 --> 00:23:33,600
fantastic well i can't think of a better

788
00:23:36,870 --> 00:23:35,360
or more collaborative note to end on

789
00:23:37,909 --> 00:23:36,880
than that you talk about your strong and

790
00:23:40,390 --> 00:23:37,919
collaborative team

791
00:23:42,149 --> 00:23:40,400
which includes the members of the public

792
00:23:43,990 --> 00:23:42,159
so everybody stay tuned

793
00:23:46,710 --> 00:23:44,000
there's a lot more to come for psyche

794
00:23:49,750 --> 00:23:46,720
we're just getting going

795
00:23:51,110 --> 00:23:49,760
watch us here at nasa jpl wherever you

796
00:23:53,029 --> 00:23:51,120
get your social media

797
00:23:55,350 --> 00:23:53,039
to find out more about what's happening

798
00:23:59,190 --> 00:23:55,360
at the lab and for the latest

799
00:24:02,070 --> 00:23:59,200
on psyche follow at nasa solar system

800
00:24:04,070 --> 00:24:02,080
on facebook twitter and instagram thanks