Not quite water world.

Not quite water world.
http://www.theguardian.com/science/2015/sep/28/nasa-scientists-find-evidence-flowing-water-mars

Comments

  1. Zara Altair
    Waters of Mars starts playing.

    ReplyDelete
  2. Water is very heavy, and it is very valuable as a source of hydrogen to refuel the rocket engines of spacecraft.

    ReplyDelete

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