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Showing results for planetary. Search instead for planetary+nebula.
Definitions

planetary

[plan-i-ter-ee] / ˈplæn ɪˌtɛr i /


Example Sentences

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He added: "The clock is ticking if we want to halt the worst effects of planetary warming but there is still time."

From BBC • Jun. 9, 2026

This event is known as a planetary conjunction.

From Science Daily • Jun. 3, 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

As telescopes become more powerful, astronomers continue discovering increasingly unusual planetary systems across the galaxy.

From Science Daily • May 21, 2026

The National Aeronautics and Space Administration, which runs the United States planetary space program, is subject to frequent and unpredictable budget cuts.

From "Cosmos" by Carl Sagan




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