Space

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Across
  1. 2. the heavenly body in our solar system whose light makes our day and around which the planets revolve
  2. 4. a unit of length in astronomy equal to the distance that light travels in one year or about 5.88 trillion miles (9.46 trillion kilometers)
  3. 5. the planet that is thirds in distance from the sun. The planet that we live on
  4. 7. the planet that is fourth in order of distance from the sun, is known for its redness, and has a diameter of about 4200 miles (6800 kilometers)
  5. 8. any large heavenly body that orbits a star (as the sun)
Down
  1. 1. a smaller body that revolves around a planet
  2. 2. the sun and the planets, asteroids, comets, and meteors that revolve around it
  3. 3. any of the heavenly bodies except planets which are visible at night and look like fixed points of light
  4. 6. any one of the very large groups of stars that make up the universe