"Humans Need to Explore Outer Space" Review

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Across
  1. 6. The nation the US competed with in the race to space, back in the 1960's
  2. 7. Mountain people once thought impossible to climb.
  3. 9. It blew up in 1986!
  4. 11. It blew up in 2003!
  5. 12. Number of nations involved in the International Space Station
  6. 13. Mentioned in paragraph 6 that could make lots of $.
Down
  1. 1. These weigh up to a ton, and they have landed on Mars.
  2. 2. Spacecraft that orbited Jupiter (paragraph 5).
  3. 3. Important resource below the surface of Mars
  4. 4. Author's last name
  5. 5. Lots of these are used in paragraph 4.
  6. 8. The first two sentences start with these.
  7. 10. Amazing telescope mentioned in paragraph 4.