click below
click below
Normal Size Small Size show me how
science
solar system
| Term | Definition |
|---|---|
| meteoriod | a piece of rock or metal,smaller than an asteriod,that orbits the Sun |
| meteorite | a part of a meteor that falls to the surface of a planet or moon without completely burning up |
| meteor | a piece of rock or metal that falls to the planets atmosphere and burning brightly because of friction |
| astronomical unit (AU) | a unit of measure that equals the average distance of Earth from the Sun or about 150 kilometers (93 million miles) |
| solar system | a star and the celestial objects that orbit it |
| Ort Cloud | not a cloud,but an area with a trillion comets |