Astronomy crossword

123456789
Across
  1. 1. Unit of measurement used to measure the distance to stars and galaxies in space.
  2. 5. The spiral galaxy in which you live on
  3. 6. Studied in relation to the planet they orbit
  4. 8. may have either a terrestrial/rocky surface or a gaseous surface
Down
  1. 2. made up of gas, dust, and billions of stars and have different shapes
  2. 3. Belt between Mars and Jupiter
  3. 4. Made up of the planets, moon, asteroids, comets, dust and gas that orbit the sun
  4. 7. A star in the Milky Way galaxy located in a spiral arm about two-thirds of the way from the center of the galaxy
  5. 9. Most are rocky bodies that orbit in a region in the solar system know as the