Space Unit

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Across
  1. 2. - rocks from space that enter Earth's atmosphere and burn up
  2. 3. - its gravity holds the Solar System together
  3. 6. - space rock that makes it through the atmosphere and lands on the Earth
  4. 7. - curved path of one celestial body around another
  5. 9. - force of attraction between 2 bodies
  6. 10. - small rocks in space
Down
  1. 1. - what something is made of
  2. 4. - chunks of ice, rock and dust from the Oort cloud
  3. 5. - trip around the sun
  4. 8. - orbits a star, dominant gravitational body in orbit, spherical shape