Recent content by The_grud

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    Caves Mars

    doesnt really answer my question...i,m not asking about lava tubes or*holes*...on earth we can walk into a cave...see a cave...why cant we do that on mars if there was once water?
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    Caves Mars

    If there was water on mars .why hasnt the rovers found caves?
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    Ask Me Anything AMA with Dr. Joe Pesce

    If there was Water on mars how come the rovers have not found caves?