description Sharpless 2-235 Overview
Sharpless 2-235 is a massive star-forming region and emission nebula located in the constellation Auriga. It was officially documented by astronomer Stewart Sharpless in his landmark 1959 catalog of HII regions, which mapped ionized hydrogen clouds across the Milky Way. The nebula's illumination is driven by the high-energy radiation emitted by the young, hot stars forming within its structure. Astronomers study this region to better understand the complex processes of stellar birth and cosmic gas dynamics.
help Sharpless 2-235 FAQ
Where is Sharpless 2-235 located?
Sharpless 2-235 is a massive star-forming region in the constellation Auriga. It is an emission nebula made of ionized gas in the Milky Way.
What does the Sharpless 2 designation mean?
The designation comes from Stewart Sharpless's catalog of H II regions. Sharpless formally documented the catalog in 1959 while mapping ionized hydrogen clouds across the Milky Way.
Why is Sharpless 2-235 called a star-forming region?
Its glowing gas is associated with the birth of stars inside a dense molecular environment. Young, energetic stars can ionize nearby hydrogen, producing the emission-nebula appearance.
Is Sharpless 2-235 the same kind of object as a dark nebula?
No. Sharpless 2-235 is classified as an emission nebula because ionized gas produces visible emission, whereas a dark nebula is identified mainly by the dust blocking background light.
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