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Amazing Facts You might not Know About Solar System’s Moons

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There May Be Life On Europa

Europa is another one of those icy Jovian moons that probably has a subsurface ocean. It doesn’t look like Ganymede, though. It has orange-brown material covering much of its surface, as well as white ice.

NASA labels Europa’s orange-brown stuff “non-ice components,” because no one knows for sure what it is. However, a NASA astrogeologist has used infrared light to compare the orange-brown material with extreme bacteria here on Earth.

He says he wasn’t looking for anything in particular and was very surprised to find a close, though not perfect, match. No, life hasn’t been definitely discovered on Europa. The only way to tell for sure is with samples.

Europa is very far away and very dangerous to visit because of radiation from nearby Jupiter. Nonetheless, NASA is considering a Europa Clipper mission, even if it means shutting down a lunar orbiter as well as Opportunity—one of the two Mars rovers.
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