planetary science

noun

: planetology

planetary scientist noun

Examples of planetary science in a Sentence

Recent Examples on the Web

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

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

Word History

First Known Use

1969, in the meaning defined above

Rhymes for planetary science

• appliance
• compliance
• defiance
• reliance
• geoscience
• neuroscience
• noncompliance
• pseudoscience