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.
Sulfur is one of only six elements essential to life on Earth and may have been a critical ingredient in the earliest life on Earth, providing vital fuel to ancient microbes, according to Sara Russell, a professor of planetary sciences at the Natural History Museum in London. Jacopo Prisco, CNN Money, 30 Jan. 2026 Independent input from the planetary science community has helped support key NASA missions, including New Horizons, which launched 20 years ago to explore Pluto and the outer edges of our solar system, and the Curiosity and Perseverance Mars rovers, Kiraly says. Jackie Flynn Mogensen, Scientific American, 20 Jan. 2026 The Chinese and Japanese missions both highlight how planetary science and exploration are becoming increasingly intertwined, as understanding the geology of nearby worlds also informs future human activity. Grant Tremblay, The Conversation, 14 Jan. 2026 There are a variety of space museums in New Mexico that cover everything from planetary science to the Atomic Age. Sharael Kolberg, Travel + Leisure, 30 Dec. 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 2 Feb. 2026.

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