planetary science

noun

: planetology
planetary scientist noun

Examples of planetary science in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The findings will help shape future Mars missions, including those by astronauts, said NASA's acting planetary science director Lindsay Hays. — Arkansas Online, 21 Oct. 2026 The findings will help shape future Mars missions, including those by astronauts, said NASA’s acting planetary science director Lindsay Hays. — ABC News, 19 Oct. 2026 Lee Billings is a science journalist specializing in astronomy, physics, planetary science, and spaceflight and is senior desk editor for physical sciences at Scientific American. — Lee Billings, Scientific American, 15 Oct. 2026 Nick Lang, a program scientist in NASA’s planetary science division, confirmed this at last week’s VEXAG meeting, citing limitations in NASA’s budget. — Stephen Clark, ArsTechnica, 14 Oct. 2026 See All Example Sentences for planetary science

Word History

First Known Use

1969, in the meaning defined above

Time Traveler
The first known use of planetary science was in 1969

Rhymes for planetary science

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Browse Nearby Words

planetary nebula
planetary science
planetary transmission
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Cite this Entry

“Planetary science.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planetary%20science. Accessed 27 Oct. 2026.

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