planetary science

noun

planetary scientist noun

Examples of planetary science in a Sentence

Recent Examples on the Web
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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 In planetary science, that means the object had already separated into layers, with a dense metallic core surrounded by lighter outer material — similar to how Earth has a core and mantle. Rupendra Brahambhatt, Interesting Engineering, 9 May 2026 Elkins-Tanton is a professor of planetary science at Arizona State University and the Psyche mission’s principal investigator. K. R. Callaway, Scientific American, 9 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

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Cite this Entry

“Planetary science.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planetary%20science. Accessed 24 May. 2026.

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