Across
- 1. a celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun.
- 6. a burning ball of gass
- 7. orbits planets
- 9. orbits the sun, is massive enough for its gravity to force it into a nearly round shape, and has cleared the neighborhood around its orbit
- 10. A collection of planets that orbit around a star
- 11. everything
- 12. a small rock body orbiting the sun
Down
- 2. when it hits the surface of a planet
- 3. a small body moving in the solar system
- 4. a group of galaxies
- 5. the galxy the we live in
- 8. if it entered the earth's atmosphere.