The Planets

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Across
  1. 2. no longer officially considered a planet.
  2. 4. takes approximately 365 days to orbit the sun.
  3. 5. was the first planet found using a telescope.
  4. 9. the most distant planet that can be seen with the naked eye.
  5. 10. is hotter than Mercury despite being further away from the Sun.
Down
  1. 1. the largest planet in the universe.
  2. 3. closest planet to the sun.
  3. 6. The Coldest Planet in the Solar System.
  4. 7. the energy created is nuclear fusion.
  5. 8. known as the "Red Planet".