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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 |