Infinity & Beyond

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Across
  1. 3. hottest planet
  2. 4. what keeps the planets in orbit
  3. 7. Largest planet
  4. 8. what is the name for scientists who focus on observations of the skies?
  5. 11. what do we call the sun and all the space objects in orbit around it
  6. 13. What all planets do around the sun
  7. 14. How many stars are there in our solar system
  8. 15. can be seen in the distance
Down
  1. 1. the first human to journey into outer space
  2. 2. closest to sun
  3. 5. source of light
  4. 6. an optical instrument using to observe distant objects
  5. 9. deflects the light of the sun
  6. 10. a rocky worlds revolving around the sun that is too small to be called a planet.
  7. 12. Earth is located in which galaxy