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Comets, Asteroids, Meteoroids

Comets, Asteroids, Meteoroids. Comets – collection of ice, dust, and small rocky particles whose orbits are usually very long, narrow ellipses. Three parts Coma – clouds of gas and dust – fuzzy outer layer Nucleus – solid inner core Tail – two parts Gas dust.

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Comets, Asteroids, Meteoroids

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  1. Comets, Asteroids, Meteoroids Comets – collection of ice, dust, and small rocky particles whose orbits are usually very long, narrow ellipses • Three parts • Coma – clouds of gas and dust – fuzzy outer layer • Nucleus – solid inner core • Tail – two parts • Gas • dust

  2. Kuiper Belt – doughnut shaped region beyond NeptuneOort Cloud – spherical region of comets that surrounds our solar system past the Kuiper Belt Asteroids – small, rocky objects that revolve around the sun Asteroid Belt – between Mars and Jupiter

  3. Meteoroids Three terms based on where the object is in the solar system • Meteoroid – chunk of rock or dust in space that comes from comets or asteroids • Meteor – when a meteoroid enters Earth’s atmosphere and burns up • Meteorite – when a meteor hits Earth’s surface

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