solar system

The solar system is a group of planets or celestial bodies that revolve around a sun. (noun)

An example of the solar system is the eight planets including Earth that revolve around the sun.

See solar system in Webster's New World College Dictionary

that portion of our galaxy which is subject to the gravity of the sun
all the matter within this portion, including interplanetary dust or gas; esp., the sun itself and its planets

See solar system in American Heritage Dictionary 4

noun

often Solar System The sun together with the eight planets and all other celestial bodies that orbit the sun.
A system of planets or other bodies orbiting another star.

Learn more about solar system

» solar system synonyms

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