Astronomy unit vocab

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Across
  1. 3. may have either a terrestrial/rocky surface or a gaseous surface.
  2. 5. unit of measurement used to measure the distance to stars and galaxies in space. The distance in one light year is equal to the distance light travels in one year.
  3. 6. made up of gas, dust, and billions of stars and have different shapes
  4. 8. Most are rocky bodies that orbit in a region in the solar system known as the asteroid belt between Mars and Jupiter
  5. 10. chunks of rock that burn upon entering a planet's atmosphere
Down
  1. 1. Tool that uses convex lenses to bend and focus light rays to produce images of objects in space
  2. 2. The galaxy in which you live
  3. 4. Made up of the planets, moons, asteroids, comets, dust and gas that orbit the Sun
  4. 7. Tool that uses mirrors to focus light rays to produce images of objects in space
  5. 9. studied in relation to the planet they orbit