planetary science

noun

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.
Around $6 billion of the cuts would impact the agency's planetary science, Earth science and astrophysics research funding, which all form part of NASA's Science Mission Directorate. Briana Alvarado, ABC News, 6 Oct. 2025 The new study is a fascinating look at the distant Kuiper Belt, a region that remains largely unexplored, said Patryk Sofia Lykawka, an associate professor of planetary sciences at Kindai University in Japan. Jacopo Prisco, CNN Money, 3 Oct. 2025 Its four main science directives, for decades, have brought to us a superior understanding of Earth science, heliophysics, planetary science, and astrophysics than ever before. Ethan Siegel, Big Think, 1 Oct. 2025 The most important thing that exoplanets bring to the planetary science table is vast numbers, Stephen Kane, a planetary geophysicist at the University of California in Riverside, tells me via email. Bruce Dorminey, Forbes.com, 19 Sep. 2025 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 10 Oct. 2025.

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