Evidence for a subsurface ocean on Europa

Article Abstract:

High-resolution Galileo spacecraft images of Jupiter's moon Europa indicate the existence of mobile 'icebergs.' There is convincing evidence for the existence of liquid water at shallow depths below the surface, either now or at some point in the past. It appears that the mobile layer, either water or warm ice, is or was widespread, and not limited to the small area studied. The processes that have disrupted Europa's plains are almost certainly continuing at present.

Research, Europa (Satellite)

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Evidence from the Mars Express High Resolution Stereo Camera for a frozen sea close to Mars' equator

Article Abstract:

The High Resolution Stereo Camera images from the European Space Agency Mars Express spacecraft that indicate that frozen lakes and sea might exist near Mars' equator is presented. The frozen lakes in eastern Elysium might preserve evidence of primitive life, if it has ever developed on Mars and if the interpretation is confirmed.

United States, Europe, International Affairs, European Space Agency, Observations, Mars (Planet), Discovery and exploration

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