Value of Space Travel

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Across
  1. 2. ________ launched the first satellite into space
  2. 5. First Mars Rover
  3. 12. In 2006 ____ was classified as a dwarf planet
  4. 13. First man on the Moon
  5. 15. When a star dies it can turn into a _____ ______
  6. 16. Researchers have found ___ on Mars
Down
  1. 1. Apollo __ was one of the unsuccessful missions to the Moon
  2. 3. Mars Rover launched in 2012 was ________
  3. 4. The ___ is one of 100 billion stars in our galaxy
  4. 6. The ________ ______ is in between the orbit of Mars and Jupiter
  5. 7. First satellite launched
  6. 8. "That's one small step for man, one giant leap for _______"
  7. 9. The first man sent to space was ____
  8. 10. _______ has the most moons
  9. 11. _____ ___ looks like spilled milk
  10. 14. There are 100 billion - 200 billion ______ in the universe