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new planets

British

plural noun

the outer planets Uranus, Neptune, and (formerly) Pluto, only discovered comparatively recently

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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 will discover tens of thousands of new planets outside our solar system. It will reveal billions of galaxies, thousands of supernovae and tens of billions of stars," she said.

From Barron's • Apr. 22, 2026

By studying the gas around this young star and watching carefully as the tiny dust grows over time, they hope to learn much more about where new planets come from and when.

From Space Scoop • Jul. 16, 2025

A related survey paper authored by UCR graduate student Michelle Hill announces the discovery of two new planets orbiting a star like our sun.

From Science Daily • May 23, 2024

You were either going to have to add new planets or subtract things that are no longer planets.

From National Geographic • Feb. 16, 2024

From time to time a diligent searching of the sticks reveals new planets.

From Literary Lapses by Leacock, Stephen

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023