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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.

Initially, it appeared as though two galaxies might be merging, or that a single galaxy was split by a dark band of dust.

From Science Daily • Mar. 30, 2026

"But we found that a very active, supermassive black hole in one galaxy can affect other galaxies across millions of light-years, suggesting that galaxy evolution may be more of a group effort."

From Science Daily • Mar. 30, 2026

"In such vibrant and unprecedented detail, we see just one very large galaxy with a dust lane," Sears said.

From Science Daily • Mar. 30, 2026

A team of astronomers led by the Center for Astrophysics | Harvard and Smithsonian has achieved a first by using galactic archaeology to uncover the past of a galaxy beyond the Milky Way.

From Science Daily • Mar. 23, 2026

The distance of the galaxy yields its age—and its Doppler shift yields its velocity.

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