Space

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Across
  1. 4. The star that heats the Earth.
  2. 5. The Earth is an example.
Down
  1. 1. The Earth's natural satellite.
  2. 2. Any one of the very large groups of stars that make up the universe.
  3. 3. All of space and everything in it including stars, planets, galaxies, etc.
  4. 4. A natural luminous body visible in the sky especially at night.