Discover and read the best of Twitter Threads about #IcyMoons

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#PlanetaryProtection has an enormous impact on interplanetary #astrobiology mission design and execution. Check out the rest of this thread for a few case studies on how it has been implemented over the years!

Image: NASA/JPL-Caltech
During the #Apollo era, it was unknown whether life existed on the Moon. To prevent contamination of the Earth’s biosphere by lunar microbes, both astronauts and the samples they collected were subject to quarantine following return to Earth.

Image: NASA
Following splashdown in the Pacific Ocean, Armstrong, Aldrin, and Collins were transferred to a camper-like mobile quarantine facility. From there, they were transported to Johnson Space Center, where they spent 3 weeks in quarantine.

Images: NASA
Read 11 tweets
#LunarWarming: Jupiter’s Icy Moons Are Heating Each Other Up, New Research Finds

weather.com/en-IN/india/sp…

(📸: NASA) Image
Despite being so far away from the #Sun, #Jupiter’s moons are hot—hotter than they should be! The beautiful, icy moons are known to contain interiors warm enough to host oceans of liquid water.

#IcyMoons
Previously, researchers believed that #Jupiter was the sole reason behind most of the heating associated with Io's internal ocean of magma as well as the liquid interiors of its three icy Galilean moons: #Europa, #Ganymede, and #Callisto.
Read 13 tweets

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