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Definitions

planetary

[plan-i-ter-ee] / ˈplæn ɪˌtɛr i /


Example Sentences

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Multiple planetary embryos emerge at roughly the same time and gradually evolve over millions of years into full planets.

From Science Daily • May 21, 2026

Anil Madhavapeddy, professor of planetary computing at Cambridge University, told the BBC that more than 100 research groups have accessed the tool.

From BBC • May 18, 2026

Other possible explanations for asteroid activity include rotational breakup, gravitational tidal forces during close planetary encounters and the release of trapped gases.

From Science Daily • May 14, 2026

"We're showing that life does not only produce molecules," said Fabian Klenner, UC Riverside assistant professor of planetary sciences and co-author of the study.

From Science Daily • May 12, 2026

The National Aeronautics and Space Administration, which runs the United States planetary space program, is subject to frequent and unpredictable budget cuts.

From "Cosmos" by Carl Sagan




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