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Asteroids, Comets, and Meteors

Asteroids, Comets, and Meteors. Asteroid. Small, solid, rocky bodies that orbit close to the Sun. Range from 1100 kilometers in diameter to 1 kilometer. Most are found in the Asteroid Belt between Mars and Jupiter. Contains about 10,000 asteroids.

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Asteroids, Comets, and Meteors

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  1. Asteroids, Comets, and Meteors

  2. Asteroid • Small, solid, rocky bodies that orbit close to the Sun. • Range from 1100 kilometers in diameter to 1 kilometer. • Most are found in the Asteroid Belt between Mars and Jupiter. • Contains about 10,000 asteroids. • Have craters from collisions. They do not have tectonic or volcanism. • Leftovers from Solar System being formed.

  3. Comet • Comet – A small Solar System body made of frozen gases, ice, and dust. • They orbit the Sun. • As a comet gets closer to the Sun, the Sun warms and a gas tail is formed. • They do not produce light. They reflect it from the Sun. • Comets form in the Oort Cloud, which is an area past Pluto.

  4. Meteoroid • A small object in space. • Smaller than an asteroid. • Normal falls off of a comet or an asteroid.

  5. Meteor • A chunk of rock from space that falls through Earth’s atmosphere. • Most likely small pieces of either comets or asteroids. • Meteors fall through Earth’s atmosphere every day, but most are very small.

  6. Meteorites • A space object that reaches Earth’s surface.

  7. Meteor Shower

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