Finding words with oo in them.

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Across
  1. 2. A source of information about space.
  2. 4. you like to add more words or change the theme?
  3. 6. To move quickly through space.
  4. 7. Mark left by an astronaut on the lunar surface.
  5. 10. A star that appears as a streak of light in the sky.
Down
  1. 1. A place for observing space phenomena.
  2. 2. A device used for high-altitude atmospheric research.
  3. 3. The top of a building used for stargazing.
  4. 5. To increase the speed of a spacecraft.
  5. 8. A compartment in a space station.
  6. 9. Earth’s natural satellite