nebula

word

Definition

A nebula is a large cloud of gas and dust in space where new stars can form, or where old stars have exploded.

Usage & Nuances

Used mostly in scientific or astronomical contexts. Common collocations: 'planetary nebula', 'the Orion Nebula'. Plural: 'nebulae' or 'nebulas'. Rarely used outside discussions of astronomy.

Example Sentences

A nebula is a cloud of gas and dust in space.

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Scientists study the nebula to learn about star formation.

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The Orion Nebula can be seen with a small telescope.

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Some nebulae look colorful in photos because of the different gases.

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Have you ever seen a picture of a nebula from the Hubble telescope?

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In the night sky, a faint nebula can sometimes be spotted near certain stars.

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