Astronomy Quiz

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Across
  1. 1. Earths only natural satellite
  2. 2. Manmade object furthest away from Earth
  3. 3. Independent groups óf stars in the universe
  4. 5. a person trained for space flight
  5. 6. the man who discovered gravity
  6. 7. massive glowing cloud of gas in interstellar space
  7. 9. the largest moon of Saturn
  8. 11. the Earth first artifical satellite
  9. 12. famous telescope named after a famous astronomer
  10. 13. one of the moons brightest craters
Down
  1. 1. our galaxy
  2. 4. nearest major galaxy to the milkyway
  3. 7. eigth and furthest known planet orbiting the Sun
  4. 8. closest planet to the sun
  5. 10. a famous NASA programme to land man on the moon