Solar system, Definition, Planets, Diagram, Videos, & Facts
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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.
Solar System Planets, Definition, Diagram, Names, Facts
Solar system, Definition, Planets, Diagram, Videos, & Facts
Planets - NASA Science
Solar system, Definition, Planets, Diagram, Videos, & Facts
Solar System Facts: How Far is Mercury from the Sun?
Solar system, Definition, Planets, Diagram, Videos, & Facts
Solar system, Definition, Planets, Diagram, Videos, & Facts
Pluto - Wikipedia
Voyager program - Wikipedia
