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Definitions

galaxy

[gal-uhk-see] / ˈgæl ək si /


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.

"This dramatic layering of young jets inside older, exhausted lobes is the signature of an episodic AGN -- a galaxy whose central engine keeps turning on and off over cosmic timescales."

From Science Daily • Apr. 13, 2026

Newly reactivated jets from the black hole are pushing outward, only to be distorted and compressed by the intense pressure of the massive galaxy cluster surrounding it.

From Science Daily • Apr. 13, 2026

Instead, it formed in a nearby companion galaxy and later moved into the Milky Way.

From Science Daily • Apr. 4, 2026

Instead, it formed in the Large Magellanic Cloud, the Milky Way's largest companion galaxy, and later migrated into our galaxy billions of years ago.

From Science Daily • Apr. 4, 2026

The only way to clock the speed of a galaxy is by using the Doppler effect—the same principle used in state troopers’ radar guns.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife




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