Asteroids, Comets and Meteorids
Across
- 3. A trillion more comets live in an area known as the
- 5. When the Earth travels through the burning particles from a comet, it creates
- 10. Comets are also known as this
- 12. The coldest of the planets
- 13. First asteroid discovered in 1801.
- 17. Metallic, rocky objects in space.
- 18. When the bright streak of light appears as a meteoroid enters the atmosphere, it is called a ________
- 19. A mass of frozen gas, cosmic dust and ice crystals
Down
- 1. The planet demoted to a "Dwarf Planet" status
- 2. Tens of thousands of asteroids found between the orbits of mars and Jupiter
- 4. When a meteoroid enters a planets atmosphere, it burns up due to ___________
- 6. Comets orbit the sun in this area beyond Neptune
- 7. Because asteroids are too small to be classified as planets, they are known as?
- 8. Pieces of rocks and metal dislodged from comets, planets, asteroids or moons.
- 9. A small satellite near the asteroid Ida. (captions are useful)
- 11. One of the many large asteroids found in the main belt.
- 14. The Dead Red Planet
- 15. The first of the outer planets
- 16. When a large meteoroid enters an atmosphere and a piece of it lands on the planet it is called _________