Across
- 3. tail made from the dust of disintegrating nucleus
- 6. icy, cold object that flies past Earth
- 7. envelop of gasses around a planet
- 9. most visible part of a comet that encompasses streams of gas and dust
- 11. large celestial object that orbits the sun and contains an atmosphere
- 13. small, celestial body that orbits the Sun
- 14. center of comet that is composed of rock, dust, ice, and frozen gases
Down
- 1. the outer planets of our solar system. Jupiter, Saturn, Uranus, Neptune
- 2. small, rocky object that heats up as it enters Earths atmosphere
- 3. small planet that orbits the sun which doesn't follow certain criteria to be a real size planet
- 4. ball of gas held together by its own gravity
- 5. ion tail made of gas and it points away from the Sun
- 8. a natural object that orbits a planet
- 10. particles of rock, ice, moon, and planet circling a planet
- 12. the inner planets of our solar system. Mercury, Venus, Earth, Mars.
