Inner Planets

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Across
  1. 3. Celestial object that orbits around a planet
  2. 5. Mercury, Venus, Earth, Mars
  3. 6. Moves repeatedly around
  4. 7. Gases that surround a planet
  5. 9. Known as the red planet
  6. 10. Only planet known to support life
Down
  1. 1. A natural force created by planets that affects objects that are close to or on its surface
  2. 2. The hottest planet
  3. 3. 1st planet from the sun
  4. 4. Like the Earth in some ways
  5. 8. The shape of a planets orbit around the Sun