'Inside the Ark are treasures beyond your wildest aspirations. You want to see it opened as well as I.' Indiana Jones, meet EuropaClipper. Ice grows in a vacuum chamber nicknamed 'The Ark,' built to mimic conditions on an icy Moon of Jupiter. See inside:
The Ocean Worlds Lab is led by Dr. Kevin Hand, planetary scientist, astrobiologist, and Europa Clipper science team member. Members of the Ocean Worlds Lab team use laboratory experiments and computer models to simulate the conditions at and below the surfaces of ocean worlds such as Europa. The team blends disciplines including astrobiology, physics, geochemistry, microbiology, computer programming, and technology. According to Hand, astrobiology is the study of the living universe.
“The Ark is one of the only chambers on Earth with a large internal environment built to simulate Europa’s surface,” said Hand. “The Galileo mission revealed that the surface of Europa is telling a story not only about Europa’s subsurface, but also about how the surface changes as a result of temperature, pressure, and irradiation. Cameras, radar, and spectrometers on Europa Clipper will show us much more about the nature and structure of Europa’s ice.
“The Ark needs to be really cold,” said Antonio Macias Canizares, astrobiology and Ocean Worlds Lab intern researching the surface evolution of ice-covered planetary bodies through computer modeling and experiments. “The Ark can get to 40 Kelvin [-387.67℉], but if the environment is too cold, the surface doesn’t change, so we run the Ark at elevated temperatures to observe morphological changes on the surface.
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