Space

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Across
  1. 1. the largest planet in the solar system.
  2. 3. one of the eight planets that orbit, or travel around, the Sun in the solar system. It is the third planet from the Sun. It appears bright and bluish when seen from outer space.
  3. 4. Look up in the sky at night and you’ll see one!
  4. 6. a regular, repeating path that one object takes around another object or center of gravity.
  5. 7. it’s sometimes called the Red Planet. It's red because of rusty iron in the ground.
  6. 8. an extraterrestrial life-form, or a being from another planet.
Down
  1. 2. large natural objects that orbit, or travel around, stars
  2. 5. small, rocky bodies that have been left over from the formation of the planets 4.5 billion years ago.