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Ch.20 The Solar System

Ch.20 The Solar System. Section 5: Comets, Asteroids, & Metors. Section 5. Comets (“dirty snowball” about the size of a mountain) Comets are loose collections of ice, dust, and small rocky particles whose orbits are usually very long, narrow ellipses A Comet’s Head Coma Nucleus

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Ch.20 The Solar System

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  1. Ch.20 The Solar System Section 5: Comets, Asteroids, & Metors

  2. Section 5 • Comets (“dirty snowball” about the size of a mountain) • Comets are loose collections of ice, dust, and small rocky particles whose orbits are usually very long, narrow ellipses • A Comet’s Head • Coma • Nucleus • A Comet’s Tail • Origin of Comets • Kuiper Belt • Oort Cloud

  3. Section 5 • Asteroids (rocky objects revolving around the sun that are too small & numerous to be considered planets) • Most asteroids revolve around the sun between the orbits of Mars & Jupiter • Asteroid Belt

  4. Section 5 • Meteors • Meteoroid • Come from comets or asteroids • Meteor • Meteorites

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