planetary science

noun

: planetology
planetary scientist noun

Examples of planetary science in a Sentence

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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.
Before his acceptance into NASA's 16th astronaut class in 1996, Fincke earned two bachelor's degrees from the Massachusetts Institute of Technology (MIT), in aeronautics and astronautics as well as Earth science, atmospheric and planetary sciences. — Josh Dinner, Space.com, 13 Aug. 2026 Cherubim recently earned his PhD in Earth and planetary sciences from Harvard University. — Doyle Rice, USA Today, 16 July 2026 The smallest planetary science missions, with budgets of less than $100 million, have a lousy track record. — Stephen Clark, ArsTechnica, 19 May 2026 Despite the proximity, the space rock poses no danger, according to Richard Binzel, a professor of planetary sciences at the Massachusetts Institute of Technology and the inventor of the Torino Scale, a tool for categorizing potential collisions of space objects with Earth. — Jacopo Prisco, CNN Money, 18 May 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 22 Aug. 2026.

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