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johnpucci

Joined: Feb 25, 2025

Last seen: Mar 6, 2025

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- J
  
  johnpucci replied to the thread What makes Mars the 'Red' Planet? Scientists have some new ideas.
  
  Rust on the earth requires oxygen. Does this mean that Mars had O2 sometime in the past? If so where did it come from?
  
  Feb 25, 2025
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