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planets

NOUN

celestial body orbiting a star

Synonyms

STRONGEST

asteroid earth globe sphere world

STRONG

apple marble orb planetoid

WEAK

heavenly body luminous body terrene wandering star

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

According to leading theories of planet formation, rocky planets form near their star while gas giants develop farther away where cooler conditions allow thick atmospheres to build up.

From Science Daily • May 21, 2026

Under standard theories, planets form within giant discs of gas and dust called protoplanetary discs.

From Science Daily • May 21, 2026

In our Solar System, the planets fall into two broad groups.

From Science Daily • May 21, 2026

Current models suggest rocky planets form near stars because intense radiation strips away gas surrounding developing planetary cores.

From Science Daily • May 21, 2026

He couldn’t accept the idea, not least because it needed different equants for different planets.

From "The Scientists" by John Gribbin