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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.

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

"Much about how planets form and evolve is still a mystery. Finding clues like this one for solving this puzzle is precisely what Cheops set out to do."

From Science Daily • May 21, 2026

"That makes this an inside-out system, with a planet order of rocky-gaseous-gaseous-and then rocky again. Rocky planets don't usually form so far away from their home star," says Thomas.

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