“Learning to Walk Before Heading to Space” was uploaded to Flickr

Canadian Space Agency astronaut Jeremy Hansen is suspended over a mock-up of the International Space Station during a microgravity simulation. via NASA ift.tt/2xGWGjb
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Learning to Walk Before Heading to Space was taken on October 24, 2017 at 12:56PM

“Viewing Australia's Great Sandy Desert From Space” was uploaded to Flickr

Flying hundreds miles above, astronauts aboard the International Space Station photographed Lake Hazlett and Lake Willis in Western Australia's Great Sandy Desert. Hundreds of ephemeral salt lakes are peppered throughout the arid Australian Outback. via NASA ift.tt/2luBT0C
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Viewing Australia's Great Sandy Desert From Space was taken on July 26, 2017 at 03:40AM

“Hubble Digs into Cosmic Archaeology” was uploaded to Flickr

This Hubble infrared image is part of an observing program that imaged 41 massive galaxy clusters to find the brightest distant galaxies for theJames Webb Space Telescope to study. via NASA ift.tt/2zIrErL
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Hubble Digs into Cosmic Archaeology was taken on June 09, 2017 at 10:36AM

“Studying the Genetics of Organisms in Space” was uploaded to Flickr

At NASA's Kennedy Space Center, organisms in a Petri plate are exposed to blue excitation lighting in a Spectrum prototype unit. NASA scientists and engineers are developing experiments to determine how different organisms, such as plants, microbes or worms, develop under conditions of microgravity. via NASA ift.tt/2ySUIzn
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Studying the Genetics of Organisms in Space was taken on October 16, 2017 at 10:06AM

“NASA Astronauts on Third and Final Spacewalk in October Series” was uploaded to Flickr

NASA astronauts Joe Acaba (left) and Randy Bresnik (right) at work outside the International Space Station on Oct. 20, 2017, in the third of a series of three planned spacewalks. The two astronauts successfully completed the 6 hour, 49 minute spacewalk at 2:36 p.m. EDT. via NASA ift.tt/2zFnj8q
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NASA Astronauts on Third and Final Spacewalk in October Series was taken on October 20, 2017 at 11:03AM

“Remembering Astronaut Paul Weitz” was uploaded to Flickr

In this June 1973 photo, astronaut Paul J. Weitz, Skylab 2 pilot, mans the control and display console of the Apollo Telescope Mount. Weitz, who also commanded the STS-6 shuttle mission and served as Deputy Director of Johnson Space Center, passed away this week at the age of 85. via NASA ift.tt/2z2GxbS
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Remembering Astronaut Paul Weitz was taken on September 10, 2013 at 05:41AM

“The Grace of Saturn” was uploaded to Flickr

Saturn's graceful lanes of orbiting ice -- its iconic rings -- wind their way around the planet to pass beyond the horizon in this view from NASA's Cassini spacecraft. via NASA ift.tt/2xglHRL
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The Grace of Saturn was taken on October 20, 2017 at 11:59AM