Space Test!

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Across
  1. 1. (2)We didn't get much Edward in this one, and that sucked
  2. 7. A way to get someone's attention, and maybe a distance or something
  3. 8. Sci-Fi name for The Sun
  4. 9. (2)It's dense! But still visible
  5. 10. Our most accurate simulator to date, of course!
  6. 11. Blew the nuts off orbital dynamics, so much he gets a space probe!
  7. 14. Life, from Outer Space!
  8. 15. Distant things shift differently because of this
  9. 17. Just because Mercury is doing it doesn't mean anything
Down
  1. 2. (2)Solar System Boundary
  2. 3. Candles of the universe
  3. 4. (2)In the beginning the Universe was created. This has made a lot of people very angry and been widely regarded as a bad move.
  4. 5. (2)Fancy word for year
  5. 6. (2)Most of the universe is this
  6. 7. Reflectivity of a surface
  7. 12. Coppernicus went too hard with these
  8. 13. This guy has 110 problems, but a comet ain't one!
  9. 16. Sci-Fi name for The Moon