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Definitions

spiral galaxy

NOUN
a galaxy in spiral structure
Synonyms
WEAK
barred spiral galaxy spiral spiral nebula

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.

J0107a is a barred spiral galaxy just like the Milky Way.

From Space Scoop • Jun. 5, 2025

Our solar system is nestled on the third arm of the Milky Way, a spiral galaxy that is, yes, average: just one among 2 trillion galaxies in the universe.

From Slate • Feb. 7, 2025

Euclid took this picture of spiral galaxy NGC 6744, 30 million light-years from Earth.

From New York Times • May 23, 2024

The X-rays outline giant clouds of cold gas in the nearby spiral galaxy NGC 4945.

From Science Daily • Jan. 12, 2024

From our galaxy to the nearest spiral galaxy, M31, also in the constellation Andromeda, is 2,000,000 light-years.

From "Cosmos" by Carl Sagan