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Bodies in Space
Asteroids, Meteors and Comets
| Term | Definition |
|---|---|
| Asteroid | A large, potato-shaped object that orbits the Sun – smaller than planets that is composed of rock and metal and has numerous craters on their surfaces |
| Comet | "Dirty Snowballs" that revolve around the Sun-long-elliptical orbits-that are made up of ice and dust |
| Meteor | *In Earth's Atmosphere* A rocky object that orbits the Sun often composed of nickel and iron. May have been broken off from asteroids/comets. |
| Meteorite | *Hit Earth* It can heat up to nearly 2,000 degrees C and produces a streak of light in the sky. Also referred to as “shooting stars”. |
| Meteoroid | *In Space* Most meteorites are very small and cause little damage. 3 types of meteorites – stony, stony-iron, and iron |
| Asteroid Belt | Located between Mars and Jupiter |
| Parts of a Comet | Nucleus, Coma, Tail |
| Nucleus | Inner layer of comet's head |
| Coma | Outer layer of comet's head |
| Tail | Gas and dust pushed away from the comet due to solar wind |
| Tail Direction | Always points away from the Sun |
Created by:
nizzat8751
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