waste of space

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Across
  1. 2. light-colored heavily cratered highlands and smooth dark lowland maria which are most prominent on the near side
  2. 4. belonging to a foreign country or nation.
  3. 7. astonish or deeply shock.
  4. 8. the available body of facts or information indicating whether a belief or proposition is true or valid.
  5. 10. a cylindrical projectile that can be propelled to a great height or distance by the combustion of its contents, used typically as a firework or signal.
  6. 11. a person or thing that kills.
  7. 12. administer poison to (a person or animal), either deliberately or accidentally.
  8. 13. the natural satellite of the earth, visible (chiefly at night) by reflected light from the sun.
Down
  1. 1. all existing matter and space considered as a whole; the cosmos.
  2. 3. relating to or situated between two or more galaxies.
  3. 5. a tube with a nozzle and piston or bulb for sucking in and ejecting liquid in a thin stream
  4. 6. based on or characterized by the methods and principles of science.
  5. 9. evidence or argument establishing or helping to establish a fact or the truth of a statement.