Chapter 12 Other Objects in the Solar System - PowerPoint PPT Presentation

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Chapter 12 Other Objects in the Solar System

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Chapter 12 Other Objects in the Solar System
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Chapter 12 Other Objects in the Solar System

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  1. Chapter 12Other Objects in the Solar System Pgs. 356 - 359

  2. Comets • Made of dust and rock particles, mixed with frozen water, methane, ammonia • Oort cloud – billions of comets that surround the solar system • Hale-Bopp – seen from earth, larger than most that came close to the sun • Structure – when close to the sun vaporizes and releases dust and jets of gas

  3. Meteoroids • Pieces of a comet’s nucleus, dust and rock

  4. Meteor • A meteoroid that burns up in Earth’s atmosphere

  5. Meteorite • When a meteoroid does not burn up completely in the atmosphere and strikes Earth

  6. Asteroid • Piece of rock similar to the materials planets were formed from • Asteroid Belt – between Mars and Jupiter, due to Jupiter’s gravity • Size – range from tiny to 940 km • Formed early in the history of the solar system

  7. Questions • What is a comet? • Draw the structure of a comet. • What is a meteorite? • What is a meteor? • What is a meteorite? • Where can asteroids be found? • What is an Oort Cloud?