Solar System and Beyond Vocabulary

123456789101112131415161718
Across
  1. 2. how long it takes for the Earth to revolve around the sun
  2. 3. the Earth belongs to this galaxy
  3. 6. theory about the creation of the universe
  4. 10. when a meteroid burns in the atmosphere and hits the ground
  5. 11. objects revolving around the sun that are too small and too numerous to be considered planets
  6. 14. streak of light produced by a burning meteroid in Earth's atmosphere
  7. 15. a ball of ice & dust that orbits the sun
  8. 16. to revolve around another object
  9. 17. any consolidated, large object which orbits a star
  10. 18. the movement of one object around another (Earth around the sun)
Down
  1. 1. having the earth as center
  2. 4. measure of the force of gravity on an object
  3. 5. a chunk of rock or dust in space that comes from comets or asteroids
  4. 7. how long it take for Earth to complete a rotation
  5. 8. the amount of matter in an object
  6. 9. force that keeps the planets in orbit
  7. 12. the spinning of the Earth on its axis, day and night
  8. 13. having the sun as center