Astronomy crossword

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Across
  1. 3. Unit of measurement used to measure the distance to stars and galaxies in space.
  2. 5. A star in the Milky Way galaxy located in a spiral arm about two-thirds of the way from the center of the galaxy
  3. 7. The spiral galaxy in which you live on
  4. 8. Studied in relation to the planet they orbit
  5. 10. Belt between Mars and Jupiter
Down
  1. 1. Space rocks smaller than an asteroid floating randomly in space
  2. 2. may have either a terrestrial/rocky surface or a gaseous surface
  3. 4. Made up of the planets, moon, asteroids, comets, dust and gas that orbit the sun
  4. 6. Most are rocky bodies that orbit in a region in the solar system know as the
  5. 9. made up of gas, dust, and billions of stars and have different shapes