Space

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Across
  1. 5. The first human to walk on the moon (last name)
  2. 7. The force that keeps planets in orbit
  3. 8. A powerful telescope that orbits Earth
  4. 9. The red planet
  5. 11. A cloud of gas and dust in space
  6. 12. A vehicle used to explore space
  7. 13. A ball of rock or gas that orbits a star
Down
  1. 1. The boundary of a black hole
  2. 2. The study of stars, planets, and space
  3. 3. An astronaut’s home while orbiting Earth
  4. 4. A large object made of ice and dust that has a glowing tail
  5. 6. The huge system of stars we live in
  6. 10. A giant explosion that happens when a star dies