OCT 17

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Across
  1. 2. The force that pulls objects toward each other.
  2. 6. A round object that travels around a star.
  3. 7. To travel around another object in space.
  4. 8. SYSTEM The Sun and the objects that travel around it.
  5. 10. A vehicle that blasts off into space.
Down
  1. 1. A robot vehicle that explores a planet.
  2. 3. A tool for seeing faraway objects in space.
  3. 4. A hot ball of gas that gives off light and heat.
  4. 5. A person trained to travel into space.
  5. 9. An object that travels around a planet.