Nebula - Wikipedia
A nebula (Latin for 'cloud, fog'; [1] pl.: nebulae, nebulæ, 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 cosmic dust. Nebulae are often star-forming regions, such as in the Pillars of Creation in the Eagle Nebula.
What Is a Nebula? | NASA Space Place – NASA Science for Kids
2024年12月5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 supernova. Other nebulae are regions where new stars are beginning to form. For this reason, some nebulae are called "star nurseries."
What is a Nebula? Nebula: Definition, Location and Variants | Space
2024年6月17日 · A nebula is a giant cloud of gas and dust located in the space between stars. Nebula is Latin for "mist, vapor, fog, smoke, exhalation," but in an astronomical context, it refers to any...
25 gorgeous nebula photos that capture the beauty of the universe
2023年6月11日 · These giant clouds of dust and gas that fill the space between stars have long captivated onlookers with their ethereal beauty. Here's a look at 25 of the most breathtaking nebulas in the...
Decoding Nebulae - Science@NASA
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 baby stars. Second, expanding clouds of gas and dust can mark where stars have died.
Hubble's Nebulae - Science@NASA
Nebulae are made up of gas – primarily hydrogen and helium – and fine cosmic dust. These clouds are part of the interstellar medium of extremely low-density gas and dust that exists between stars in the void of space, material so dispersed through the vastness of the cosmos that it can have a density as low as 0.1 atoms per cubic centimeter.
Nebula | Definition, Types, Size, & Facts | Britannica
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 appearance rather than a pointlike image, as in the case of a star .
Space Place in a Snap: What Is a Nebula? | NASA+
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 different forms and shapes, but where did these stunning dust clouds come from?
What is a Nebula? Each Type & Example Photos - AstroBackyard
A nebula is a giant, interstellar cloud of gas and dust in space, formed from stars. Nebulae have varying compositions depending on how they were formed and where they are.
Nebula – Definition, Examples, Types, Facts - Science Notes and …
2024年10月23日 · 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 exploded as supernovae. These colorful clouds play a critical role in the universe, seeding future generations of stars and planets with the essential materials for formation.
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