A nebula (Latin for 'cloud, fog'; [1] pl. nebulae or nebulas) [2][3][4][5] is a distinct luminescent part of interstellar medium, which can consist of ionized, neutral, or molecular hydrogen and also …

2025年3月17日 · What Is a Nebula? The Short Answer: 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 …

星雲 （英语:Nebula，源自 拉丁语 的nebulae，意为“雲” [1]）是 宇宙塵 、 氫 氣、 氦 氣和其他 等離子體 聚集的 星際雲。 原本是天文學上通用的名詞，泛指任何 天文上的 擴散 天體，包括在 …

2024年6月17日 · Nebula is Latin for "mist, vapor, fog, smoke, exhalation," but in an astronomical context, it refers to any celestial object that appears cloud-like when viewed through a telescope.

2023年6月11日 · Nebulas — colorful clouds of expanding gas and dust — have long captivated stargazers with their beauty. Here are 25 of the most stunning nebulas in the universe.

星云（源自 拉丁文 的：nebulae或nebul&aelig，与ligature或nebulas，意思是云或雾）是尘埃、氢气、氦气和其他 电离气体 聚集的 星际云。 原本是天文学上通用的名词，泛指任何天文上的扩 …

2024年10月23日 · From Earth, some nebulae are visible with the naked eye, while others are only seen with the help of powerful telescopes. What Is a Nebula? A nebula is a giant cloud of gas …

Scattered throughout the cosmos are celestial clouds of dust and gas known as nebulae, the grand cosmic nurseries where stars are born and die. These intricate structures harbor a rich …

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 …

Some of Hubble’s most popular images have been of beautiful and colourful nebulae. You can explore the vast ESA/Hubble archive of hundreds of nebula images here.