universe

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Across
  1. 1. Our solar system’s biggest mountain is on ????
  2. 2. The ??????? is the most complex object in the known universe
  3. 4. ??????? stars are the fastest spinning objects known in the universe
  4. 6. The Hubble telescope allows us to look back ???????? of years into the past
  5. 7. easy way too look back in time: look into the
  6. 8. There could be an infinite number of ?????????
  7. 9. There’s a planet-sized diamond in ??????? named after a Beatles song
Down
  1. 1. There could be 500 ??????? planets capable of supporting life in our galaxy
  2. 3. There’s a giant cloud of ??????? in Sagittarius B
  3. 5. You can watch the Big Bang on your
  4. 7. We are all made of ????????