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The Solar System A Unit Overview

The Sun Photosphere: The surface of the Sun. Chromosphere: Lies above the photosphere. Corona: Extends millions of miles above the chromosphere.

The Inner Planets Mercury Venus Earth Mars

The Outer Planets Jupiter Saturn Uranus Neptune

Pluto Pluto is the only planet that has not been visited by a spacecraft.

Comets Examples: Comet Kohoutek Comet Hyakutake Comet Hale-Bopp Comet West

Asteroids Asteroids are material left over from the formation of the solar system.

Meteors and Meteorites Meteors: Solar system particles that hit the Earth’s atmosphere. Meteorites: Meteors that land on the Earth’s surface.

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