Space Puzzle 2

12345678910
Across
  1. 5. A planet that orbits a star outside our solar system.
  2. 7. A natural satellite that orbits a planet.
  3. 9. A space rock that burns up in Earth's atmosphere, often called a "shooting star."
  4. 10. A large celestial body that orbits a star, like Earth or Mars.
Down
  1. 1. A region of space where gravity is so strong that nothing, not even light, can escape.
  2. 2. A vehicle that propels astronauts and satellites into space.
  3. 3. The star at the center of our solar system.
  4. 4. The second planet from the Sun, often called Earth's "twin."
  5. 6. When one celestial body moves into the shadow of another, blocking its light.
  6. 8. A special outfit that protects astronauts in the vacuum of space.