space

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Across
  1. 5. spectrum -entire range of radiant energy carried by electromagnetic waves.
  2. 6. -any small object that orbits a larger object space probe unscrewed spacecraft sent from Earth to explore objects in space.
Down
  1. 1. related to the moon.
  2. 2. life -originates outside Earth.
  3. 3. -something that can be chosen.
  4. 4. -vehicle designed to propel itself by ejecting exhaust gas from one end.