Across
- 3. Way-The galaxy in which you live.
- 6. The distance in one light year is equal to the distance light travels in
- 8. chunks of rock that burn upon entering a planet’s atmosphere.
- 9. Sun-a star in the Milky Way galaxy located in a spiral arm about two-thirds of the
- 11. year-unit of measurement; used to measure the distance to stars and galaxies in
- 13. year. 9.46 x 1012 km (5.88 x 1012 miles)
Down
- 1. system-Made up of the planets, moons, asteroids, comets, dust and gas that orbit the sun
- 2. from the center of the galaxy.
- 3. in relation to the planet they orbit.
- 4. have rings or other unique surface characteristics.
- 5. spiral, irregular)
- 7. Movement is based on their revolution around the Sun.
- 10. made up of gas, dust, and billions of stars and have different shapes
- 12. Most originate from regions of the solar system that lie beyond the orbit of Neptune