space Darren

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Across
  1. 6. A triple star system in the southern constellation of Centaurus
  2. 7. Galaxy also known as Messier 31, M31
  3. 9. time it takes for a satellite to orbit
  4. 11. a large telescope in space
  5. 13. we are held by _____
  6. 14. a giant cloud of dust and gas in space
  7. 15. orbit the earth in ninety minutes
  8. 16. a doughnut-shaped ring of icy objects around the Sun, extending just beyond the orbit of Neptune
  9. 17. the North star
  10. 19. time it takes for light to travel in a year
  11. 20. is the first element on the periodontic table
  12. 21. our sun is a _______
Down
  1. 1. what is the galaxy we live in called
  2. 2. space prode sent in 1977
  3. 3. a hole in space
  4. 4. a form of stars that make a shape
  5. 5. planets_____our sun
  6. 8. how much matter something has
  7. 10. the planet we live on
  8. 12. The ISS is a laboratory in space
  9. 13. a huge collection of gas, dust, and billions of stars and their solar systems
  10. 18. newtons first law