space

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Across
  1. 2. are huge balls of gases out in space.
  2. 3. Flashes of light in the night sky.burning up in Earth's atmosphere.
  3. 4. are the leftovers of the solar system.
Down
  1. 1. are solidand some are not.
  2. 3. is Earth's satellite.
  3. 5. is the brightest object in the sky.