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Andromeda galaxy

American

noun

Astronomy.

a spiral galaxy, appearing to the naked eye as a fuzzy oval patch in the constellation Andromeda; it is a close neighbor to our own galaxy.

Andromeda galaxy Cultural

In astronomy, the galaxy nearest to the Milky Way, usually seen as a large collection of stars arranged in a central core with spiral arms. The galaxy was given this name because the stars of the constellation Andromeda appear to enclose it.

Example Sentences

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The Andromeda galaxy, then known as the Andromeda nebula, is a bright spot in the sky that intrigued early astronomers.

From Salon • Feb. 14, 2025

The most celebrated of these is the grand spiral called the Andromeda galaxy, or Messier 31.

From National Geographic • Aug. 23, 2023

Having found this rich historical evidence, astronomers now aim to explore more stars lying in the outskirts of the Andromeda galaxy.

From Space Scoop • Feb. 28, 2023

About when our wee Milky Way galaxy with its 200 billion stars will collide with the nearby Andromeda galaxy.

From Washington Post • Jan. 28, 2023

“Hmmm, probably in the Andromeda galaxy, also known as Messier 31. It has two trillion planets! Even so, you shouldn’t interrupt a cuento, Zeta-4,” he says.

From "The Last Cuentista" by Donna Barba Higuera

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.