b1

Edit Answers
1234567891011121314151617181920
Across
  1. 6. A scientist who studies space
  2. 8. A vehicle designed to travel in space
  3. 12. The movement of one object around another
  4. 14. The layer of gases around a planet
  5. 15. The act of traveling to learn about space
  6. 16. A huge system of stars, gas, and dust
  7. 17. The force that pulls objects toward each other
  8. 19. A rocky object that orbits the sun
  9. 20. An object that orbits a planet
Down
  1. 1. A group of stars forming a pattern
  2. 2. A large cloud of gas and dust in space
  3. 3. A meteor that reaches Earth’s surface
  4. 4. A small planet that orbits the sun
  5. 5. A space rock that burns in Earth’s atmosphere
  6. 7. A measure of how hot or cold something is
  7. 9. The galaxy that contains our solar system
  8. 10. All of space and everything in it
  9. 11. The amount of matter in an object
  10. 13. The spinning of an object on its axis
  11. 18. An imaginary line an object spins around