Astrobiology

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Across
  1. 2. small celestial bodies that orbit planets
  2. 4. Satellites designed to study outer space
  3. 5. study of life beyond the Earth
  4. 6. type of star our solar system orbits around
  5. 7. a tool used by scientists to look at planets and stars
Down
  1. 1. A person who studies life in the Universe
  2. 2. A red planet where scientists search for life
  3. 3. frozen water found on Mars, Saturn and Moons