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Definitions

planetary

[plan-i-ter-ee] / ˈplæn ɪˌtɛr i /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Roman, however, will search largely unexplored areas of the Milky Way, offering a much broader view of planetary systems across our galaxy.

From Science Daily • Jun. 1, 2026

Rather than representing a universal blueprint, its orderly structure could be just one example among many wildly different planetary arrangements in the cosmos.

From Science Daily • May 21, 2026

Multiple planetary embryos emerge at roughly the same time and gradually evolve over millions of years into full planets.

From Science Daily • May 21, 2026

Anil Madhavapeddy, professor of planetary computing at Cambridge University, told the BBC that more than 100 research groups have accessed the tool.

From BBC • May 18, 2026

This was Kepler’s second law of planetary motion: Planets sweep out equal areas in equal times.

From "Cosmos" by Carl Sagan




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