An emission nebula is a nebula formed of ionized gases that emit light of various colors. ... Among the several different types of emission nebulae are H II regions, ...
Editor's choices for the most educational Astronomy Pictures of the Day about emission nebulae: APOD: 2005 September 30 - IC 1396 H-Alpha Close-Up
Emission nebulae are clouds of ionised gas that, as the name suggests, emit their own light at optical wavelengths. Their mass generally ranges from 100 to 10,000 ...
Dark nebulae are also often seen in conjunction with reflection and emission nebulae. A typical diffuse nebula is a few hundred light-years across.
noun, Astronomy. 1. a bright diffuse nebula that emits light as a result of ionization of its gas atoms by ultraviolet radiation, as the Orion Nebula, planetary ...
Emission Nebulae (page 1) Emission nebulae are glowing clouds of interstellar gas which have been excited by some nearby energy source, usually a very hot star.
An emission nebula is a cloud of interstellar gas and dust that emits light in different colours. There are several different types of emission nebulae with diverse ...
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NGC 2035 is an HII region, or emission nebula, consisting of clouds of gas that glow due to the energetic radiation given off by young stars.
When talking about these nebulae, you’ll hear the term X # region, such as the H II region (pronounced H-2) I mentioned earlier. Basically, these describe specific ...