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here's an interesting question

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on one of the previous trips into space

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some astronauts said the radiation was

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dense enough

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to see with their eyes closed

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is orbit far enough out to see the

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radiation while you're sleeping or are

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you still too far in the earth's

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protective magnetic field

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well i think what this uh writers is

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referring to is

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the reports that astronauts sometimes

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see flashes

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in their eyes with their eyes closed and

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naturally we have our eyes closed when

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we're sleeping here at night and that is

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true actually i frequently

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when i'm going to sleep at night with my

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eyes closed in the crew quarters and

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it's dark

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i will see flashes of light in different

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uh places in my field of of vision if

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you will

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um and we think it's uh it's uh

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radiation particles that are traveling

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at very high speed that uh

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that impact uh the uh

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the optic nerve in a way to at least

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give you the sensation of seeing a flash

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of light

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would see

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in the normal environment around us but

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it appears as a flash of light it's very

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subtle

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it's very quick

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but it happens regularly up here in this

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environment

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here's a question related to being in

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the space station a long time if you're

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in space for a long time is it tough

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always being enclosed inside the same

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surroundings well i have to say it is

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tough being here for a long time six

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months is a long time anywhere i know

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the space station is very big

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there are five of us currently on board

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there were six of us on board earlier

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that's plenty of room in the space

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station for six of us to spread out

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we stay very busy up here and that helps

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whenever you're isolated anywhere being

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busy

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doing productive things

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is will always enhance your ability to

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to go for the long haul

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and that's certainly true here uh the

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other aspect of of course of

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being up here for a long time that's

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difficult is being separated from

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friends and family

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particularly our close family our our

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spouses our children uh et cetera

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that's very tough it's very tough on the

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families at home

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which makes it tough on us thankfully we

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are in regular contact with our families

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we have the ability to call on a

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telephone from here

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and i typically talk to my family every

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day

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we also once a week or so have a video

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telecom

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teleconference with them so that helps

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and we've got some other support means

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to uh to help

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get both us

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on board the space station as well as

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the families on the ground

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through the experience so great question

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something we we do have to to worry