Earth and the Universe

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Across
  1. 4. This is very attractive.
  2. 7. Ours is called the Milkyway.
  3. 8. Biggest Planet
  4. 10. The group of planets and the star Earth is part of.
  5. 12. This kind of eclipse occurs when the moon is in between the Earth and the Sun.
  6. 13. Closest planet to the Sun
Down
  1. 1. Distances in space are measured in these
  2. 2. Some planets are made of rock while others of this.
  3. 3. A theory which explains the start of the Universe.
  4. 5. The time it takes for one planet to complete one orbit.
  5. 6. This kind of eclipse occurs when the Earth is situated in between the Sun and the moon.
  6. 9. No longer a planet.
  7. 11. An instrument used to observe the sky.
  8. 12. This star gives us light.
  9. 13. A natural satellite.