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Definitions

nebula

[neb-yuh-luh] / ˈnɛb yə lə /
NOUN
cloud of gas
Synonyms


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.

It is the first, youngest, and closest pre-planetary nebula ever identified.

From Science Daily • Feb. 13, 2026

And perfectly in time for Halloween, they captured a spooky, red-glowing nebula that looks just like a bat signal shining across the universe!

From Space Scoop • Oct. 31, 2025

As a result, there was initially no explanation for the strange jet discovered in 1918 emerging from the center of this "nebula."

From Science Daily • Oct. 8, 2025

Some were gaseous, star-forming regions, such as the Orion nebula, or M42 – the 42nd object in Messier’s catalog – while others were star clusters such as the Pleiades, or M45.

From Salon • Feb. 14, 2025

And some worlds will look out onto a vast gaseous nebula, the remains of an ordinary star that once was and is no longer.

From "Cosmos" by Carl Sagan