Astronomy Crossword

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Across
  1. 2. Andromeda is this type of galaxy.
  2. 5. Number of days it takes for Titan to orbit Saturn.
  3. 7. Astronomers spend a lot of time making ______
  4. 9. What the other name for astronauts.
  5. 10. The galaxy that we live in.
  6. 11. Astronauts need to complete ______ in space.
Down
  1. 1. You must have a vast knowledge of ______ and math to become an astronaut.
  2. 3. The closest major galaxy near the Milky Way.
  3. 4. ______ medium is the material that fills the space between the stars.
  4. 6. This makes up most of Titan's atmosphere.
  5. 8. The biggest moon in our solar system.
  6. 10. On Titan there is a 250 mile river of _______ and ethane.