Nebula True color image of the Trifid Nebula, showing complex gas and plasma structure A nebula (Latin for 'cloud, fog'; [1] pl. nebulae or nebulas) [2][3][4][5] is a distinct luminescent …

Sep 25, 2025 · A nebula is a giant cloud of dust and gas in space. Some nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a …

Dec 8, 2025 · Nebula, any of the various tenuous clouds of gas and dust that occur in interstellar space. The term was formerly applied to any object outside the solar system that had a diffuse …

Oct 23, 2024 · Learn about a nebula in astronomy. Discover what a nebula is, types of nebulae, and their role in a star's life cycle.

Dec 22, 2025 · Test your cosmic eye: can you match these dazzling nebula images to their names?

Nov 9, 2025 · A nebula is a cloud of gas and dust in outer space. They offer appear in the night sky as a bright patch that can be revealed in detail through astrophotography.

Nebula Nebulae are interstellar clouds of gas and dust. Many nebulae are formed from the remnants of dying stars. Nebulae are often also regions where new stars are born. Nowadays, …

Apr 6, 2022 · The word nebula comes from the Latin word for mist, or cloud - which is exactly how they appear in the sky. The brightest nebulae were first seen in ancient times, but no one …

Mar 26, 2025 · Here is a quick summary: Size: A nebula is a dust cloud and a cloud of gas, typically a few to a couple hundred light-years across. A galaxy is larger—thousands to a …

Apr 25, 2024 · A nebula is a cloud of dust and gas in space that's illuminated and glows like a shining cosmic cloud. Nebulae are clouds of gas and dust and there are many scattered …