Pale "halos" around fractures in bedrock analyzed by NASA's Curiosity Mars rover contain copious silica, indicating that ancient Mars had liquid water for a long time.
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Pale "halos" around fractures in bedrock analyzed by NASA's Curiosity Mars rover contain copious silica, indicating that ancient Mars had liquid water for a long time.
A SpaceX Dragon cargo spacecraft with its nosecone open and carrying over 5,000 pounds of science, supplies, and hardware as NASA’s Spa...
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