The Space.com article Space Station Crew Returns to Earth Tonight: Watch It Live leads with a photo of three astronauts on the ISS that are backlit with bright green light, which can also be seen spilling out onto the walls in various patterns.

Neither the article nor the photo caption (shown below) mention it or explain the origin or purpose of this bright green lighting, but there must be some reason for it. Is this explained elsewhere?

below: "NASA astronaut Peggy Whitson, Russian cosmonaut Fyodor Yurchikhin and NASA astronaut Jack Fischer float through the Harmony module of the International Space Station. All three will return to Earth on Sept. 2, 2017." Credit: NASA, from Space.com.

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    $\begingroup$ Could they have turned green after hearing the recent news? Science $\endgroup$ – uhoh Sep 2 '17 at 14:53
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    $\begingroup$ They did a great job editing in those humans over the existing aliens $\endgroup$ – MCMastery Sep 3 '17 at 3:19
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    $\begingroup$ They forgot to properly mask out the greenscreen they use for faking weightlessness... $\endgroup$ – JCRM Apr 25 '18 at 13:33
  • $\begingroup$ Fake Exonews . ! $\endgroup$ – smci Jan 7 at 9:58

New Solid State Lighting Modules being installed on the ISS have the ability to be set to millions of different colors.

The crew probably enjoys playing around with the settings.

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These pictures are from ISS crew member Jack Fischer's twitter account.

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    $\begingroup$ Holy Granola! Now all they need are a few centrifugal lava lamps! $\endgroup$ – uhoh Sep 2 '17 at 16:12
  • $\begingroup$ Orbital night club $\endgroup$ – smci Jan 7 at 10:00

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