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shellyhe

Joined: Mar 17, 2020

Last seen: Dec 11, 2024

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  shellyhe posted the thread Man On Mars - No Yet in Space Travel & SpaceX.
  
  Let's wait for manned missions to Mars for the following reasons: 1. Time. Chemical rockets of today cannot propel any craft to...
  
  Dec 11, 2024
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  shellyhe posted the thread Dark Matter Revisited in Cosmology.
  
  Hello folks, After a short hiatus, but always reading new commentary from respected astrophysicists and space jounalists, I proudly...
  
  Nov 24, 2024
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