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“Here’s some of the stories trending This
Week at NASA!”

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Outside the International Space Station, Expedition
48 Commander Jeff Williams and Flight Engineer

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Kate Rubins of NASA conducted a spacewalk
Sept. 1 to retract a thermal radiator, install

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the first of several enhanced high definition
cameras on the station’s truss and tighten

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bolts on a joint that enables one of the station’s
solar arrays to rotate.

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This was the second spacewalk for the pair
in just 13 days.

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They installed the station’s first international
docking adapter during their previous spacewalk

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on Aug. 19.

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The adapter will provide a parking place for
new U.S. commercial crew spacecraft delivering

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astronauts to the station on future missions.

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On Aug. 30, cameras outside the International
Space Station captured images of three powerful

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tropical systems churning across the Pacific
and Atlantic Oceans.

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Hurricane Lester was seen as it moved westward
across the Pacific – packing 125 miles per

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hour winds.

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Hurricane Madeline also was seen making a
westerly trek in the Pacific with wind in

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excess of 130 miles per hour.

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At the time, both storms were on a track that
could threaten Hawaii.

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Station cameras also captured views of Hurricane
Gaston as it churned across the open Atlantic.

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When this video was recorded, that storm had
winds of 100 miles per hour.

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The next crews in line to serve aboard the
International Space Station are busy preparing

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for their respective missions.

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The Expedition 49-50 crew, including NASA’s
Shane Kimbrough, is conducting crew qualification

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training in Star City, Russia.

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Kimbrough and cosmonauts Andrey Borisenko
and Sergey Ryzhikov of the Russian space agency

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Roscosmos will launch on Sept. 23 from the
Baikonur Cosmodrome in Kazakhstan.

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Following them will be Expedition 50/51.

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That crew, which includes NASA astronaut Peggy
Whitson, previewed their mission during an

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Aug. 30 news conference at Johnson Space Center
in Houston.

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Launch for Expedition 50/51 is targeted for
November.

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Using data from NASA’s Chandra X-ray Observatory
and other telescopes, researchers have discovered

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the most distant galaxy cluster on record.

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This composite image shows the galaxy cluster,
known as CL J1001+0220.

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It’s located about 11.1 billion light years
from Earth and may have been imaged shortly

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after it was born – a brief, but important
stage of cluster evolution never seen before.

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This cluster is remarkable because of its
high levels of star formation in galaxies

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near its center.

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Stars are forming there at a rate equivalent
to more than 3,000 a year.

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NASA's Juno spacecraft successfully completed
the first and closest of its 36 orbital flybys

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of Jupiter on Aug. 27 – zipping past the
planet about 2,600 miles above its swirling

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clouds.

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This also was the first time Juno’s entire
suite of science instruments was activated

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and looking at the giant planet as the spacecraft
zoomed past – resulting in the highest-resolution

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views yet of the Jovian atmosphere and the
first glimpses of Jupiter's north and south

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poles.

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Juno’s mission to gather data on Jupiter’s
polar regions is targeted to last until February

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2018.

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On Aug. 31, NASA headquarters hosted a program
titled, “New Horizons Mission to Pluto and

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Beyond.”

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The event featured a presentation from Alan
Stern – principal investigator of NASA’s

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New Horizons mission – about the spacecraft’s
historic encounter with the Pluto system in

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2015 and what’s planned for the extended
mission.

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New Horizons currently is traveling in the
Kuiper Belt beyond Pluto.

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The spacecraft is on its way to a New Year’s
Day encounter in 2019 with an ancient object

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considered to be an early building block of
the solar system.

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New Horizons continues to send back interesting
imagery of the region – this animated series

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of images, released on Aug. 31, shows a dwarf
planet called Quaoar (“Kwa-war”), which

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– at 690 miles in diameter – is roughly
half the size of Pluto.

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And that’s what’s up this week @NASA …
\h