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.
Nebula | Definition, Types, Size, & Facts | Britannica
This article surveys the basic varieties of galactic nebulae distinguished by astronomers and their chemical composition and physical properties. Classes of nebulae. All nebulae observed in the Milky Way Galaxy are forms of interstellar matter—namely, the gas between the stars that is almost always accompanied by solid grains of cosmic dust ...
The Different Types Of Nebulae - WorldAtlas
2022年6月16日 · Nebulae, where stars form, come in two types: reflection nebulae and emission nebulae. A reflection nebula is a stellar nursery reflecting light rather than emitting light. A reflection nebula can emit light, yet the density of the nebula usually prevents any light from escaping into space.
Nebula – Definition, Examples, Types, Facts
2024年10月23日 · Types of Nebulae. Nebulae come in several varieties, each with its own unique characteristics: Emission Nebulae: These are clouds of gas that emit light. One specific type of emission nebula is the H II region. These are large clouds of ionized hydrogen, specifically associated with regions of active star formation.
What is a Nebula? Each Type & Example Photos - AstroBackyard
The Four Main Types of Nebulae Emission Nebula / Star-Forming Region Also known as “stellar nurseries”, these massive collections of hydrogen gas are pulled together by gravity to form incredible formations like the “ Pillars of Creation ” found within the Eagle Nebula .
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.
What is a Nebula? Nebula: Definition, Location and Variants ...
2024年6月17日 · What are the different types of nebula? A diffuse nebula with ongoing star formation, the gas here is hot enough to glow with its own light. Another type of diffuse nebula, a reflection...
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