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  1. The predicted collision between the Andromeda galaxy and the Milky Way
  2. A compact object, or a black hole
  3. Edwin Hubble's Galaxy Classification System
  4. Saturn above the thick atmosphere of its moon Titan
  5. Illustration showing the various parts that make up the sun
  6. Saturn above the thick atmosphere of its moon Titan
  7. Saturn and Enceladus as seen from the moon Tethys
  8. The surface of an infernal planet, Venus
  9. Artists concept of a Hot Jupiter orbiting a star named 51 Pegasi
  10. Artists concept of an Extrasolar Gas Giant with two of its many moons