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m&m 1.7
Asteroids, Comets, and Meteoroids
| Question | Answer |
|---|---|
| Ceres | A supposed planet which was the first asteroid ever discovered |
| Asteroids | Over 4,000 tiny worlds |
| Asteroid Belt | A ring of asteroids located between Mars and Jupiter. Trojan and Apollo asteroids located outside of this. |
| Halley's comet | The first comet ever discovered in 1682 |
| Nucleus | The core of a comet. Looks like a frozen chunk of ice and dust about the size of a small asteroid |
| Coma | The gas and dust that form a cloud around the nucleus |
| Tail | Dust particles and gases that are wafted away from the coma in a blazing streamer |
| Period | The amount of time it takes a comet to complete an orbit |
| Encke's comet | The comet that has the shortest orbit |
| Meteoroids | Pieces of space debris that orbit the sun |
| Meteors | Meteoroids that enter Earth's atmosphere |
| Meteor shower | Occurs when the earth passes through a cluster of meteoroids |
| Meteorite | Meteors that collide with the earth's surface |
| Johann Bode | German Astronomer. Created Bode's Law |
| Bode's Law | This law states that a planet should exist between Mars and Jupiter |
| Tycho Brahe | Learned that a comet is a natural part of the solar system |
| Edmund Halley | Known for correctly calculating the orbit of Halley's comet |
| A comet's course | Comets orbit the sun as do the planet. Greater ellipse |
| Shooting star | A meteor that burns up upon entering the earth's atmosphere |