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  1. The First (And Only) Time We Sent a Cat to Space

    The First (And Only) Time We Sent a Cat to Space

    9
  2. Space, Goats, and Climate Change

    Space, Goats, and Climate Change

    20
  3. This Giant Space Flower Could Help Us Find A New Earth

    This Giant Space Flower Could Help Us Find A New Earth

    13
  4. We've Been Collecting This Fossil for 15,000 Years

    We've Been Collecting This Fossil for 15,000 Years

    8