Solar system, Definition, Planets, Diagram, Videos, & Facts

Solar system, assemblage consisting of the Sun and those bodies orbiting it: 8 planets with about 210 known planetary satellites; many asteroids, some with their own satellites; comets and other icy bodies; and vast reaches of highly tenuous gas and dust known as the interplanetary medium.

All the Planets of the Solar System

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Mars: The Red Planet

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Solar System 101 National Geographic

Astronomical Unit: How far away is the sun?

Incredible Facts About The Planets In Our Solar System

Solar System Planets, Definition, Diagram, Names, Facts

Solar System 101 National Geographic

Solar system planets diagram pluto hi-res stock photography and