Space

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Across
  1. 2. the round object that moves in the sky around the earth and can be seen at night
  2. 3. the planet second in order of distance from the Sun, after Mercury and before Earth. It is the closest planet to Earth.
  3. 4. the planet third in order of distance from the sun, between Venus and Mars; the world on which we live
  4. 5. the star that provides light and heat for the earth and around which the earth moves
Down
  1. 1. everything that exists, especially all physical matter, including all the stars, planets, galaxies, etc. in space
  2. 2. this planet is sometimes called the Red Planet because of its distinctive colour.