Astronomy

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Across
  1. 4. Equal amounts of night and day
  2. 5. Mercury, Venus, Earth and Mars
  3. 7. Made the closest star to Earth
  4. 8. Jupiter, Saturn, Uranus and Neptune
Down
  1. 1. Lies between Mars and Jupiter, made up of rocks
  2. 2. Distance from the Sun to the Earth
  3. 3. Compass direction
  4. 6. Fastest known thing that travels in the universe