Nebula - Wikipedia
The Carina Nebula is an example of a diffuse nebula. Most nebulae can be described as diffuse nebulae, which means that they are extended and contain no well-defined boundaries. [24] Diffuse nebulae can be divided into emission nebulae, reflection nebulae and dark nebulae.
List of diffuse nebulae - Wikipedia
This is a list of diffuse nebulae. Most nebulae are diffuse, meaning that they do not have well-defined boundaries. Types of diffuse nebulae include emission nebulae and reflection nebulae.
Orion Nebula - Wikipedia
The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a diffuse nebula situated in the Milky Way, being south of Orion's Belt in the constellation of Orion, and is known as the middle "star" in the "sword" of Orion.
Nebula - Definition, Examples, Types, Facts - Science Notes and …
Oct 23, 2024 · Despite their appearance, nebulae are incredibly diffuse. On average, a nebula contains just a few hundred atoms per cubic centimeter , compared to Earth’s atmosphere, which contains about 10 19 molecules per cubic centimeter .
Decoding Nebulae - NASA Science
Aug 23, 2021 · Emission nebulae are bright, diffuse clouds of ionized gas that emit their own light. In NGC 2313, pictured here, the bright star V565 (center of the image) highlights a silvery veil of gas and dust, while the right half of this image is obscured by a dense cloud of dust.
What is a Nebula? Nebula: Definition, Location and Variants | Space
Jun 17, 2024 · 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 celestial...
Astronomy 101: Nebulae | Astronomy.com - Astronomy Magazine
Jun 3, 2011 · One kind of nebula is a diffuse nebula, which just means it has no real shape or boundaries. Some of these, called reflection nebulae, can only be seen because they reflect the light of...
Nebula | Definition, Types, Size, & Facts | Britannica
Sep 14, 2024 · 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.
Messier 8 (The Lagoon Nebula) - Science@NASA
This star-forming cloud of interstellar gas is located in the constellation Sagittarius, and its apparent magnitude of 6 makes it faintly visible to the naked eye in dark skies, easily seen with binoculars and even small telescopes. The best time to observe M8 is during August.
The Orion Nebula | The Most Spectacular Deep Sky Object
The Orion Nebula is a bright diffuse nebula, which includes a range of nebula types including emission nebula, reflection nebulae, and dark nebulae. Its location in the night sky makes it possible to observe from both hemispheres.