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 · 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 …

4 天之前 · 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 …

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.

2024年10月23日 · What Is a Nebula? A nebula is a giant cloud of gas and dust in space. Nebulae can serve as stellar nurseries where new stars are born or as the remnants of stars that have …

2023年10月13日 · Nebulae are far away from Earth. We know what they look like because scientists use powerful telescopes to capture images of them. A nebula can take many …

2021年8月23日 · Nebulae are giant clouds of gas and dust in space. They’re commonly associated with two parts of the life cycle of stars: First, they can be nurseries forming new …

2024年7月27日 · These fantastical shapes, some of the universe’s most visually stunning constructions, are nebulae, clouds of gas and dust that can be the birthplace of stars, the …

2025年1月28日 · Today, Hubble has observed many of these nebulas and found a wide range of complicated and extraordinary shapes, from tunnels to interlocking rings. The Cat's Eye …

2019年11月5日 · A nebula is a huge cloud of combined gas and dust in space. It can contain hydrogen, helium, and/or plasma. They are sometimes considered nurseries, because …