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The gaseous contortions of this emission nebula bear a resemblance to a pelican, giving rise to its name. [1] The Pelican Nebula is located nearby first magnitude star Deneb, and is divided from its more prominent neighbour, the North America Nebula, by a foreground molecular cloud filled with dark dust. [2]
The portion of the nebula resembling Mexico and Central America is known as the Cygnus Wall. This region exhibits the most concentrated star formation. [9] At optical wavelengths, the North America Nebula and the Pelican Nebula (IC 5070) appear distinct as they are separated by the silhouette of the dark band of interstellar dust L935. The dark ...
NGC 6357 is a diffuse nebula near NGC 6334 in the constellation Scorpius.The nebula contains many proto-stars shielded by dark discs of gas, and young stars wrapped in expanding "cocoons" or expanding gases surrounding these small stars.
It was discovered in 1967 by Eric Becklin and Gerry Neugebauer during their near-infrared survey of the Orion Nebula. [4] A faint glow around the center-most stars can be observed in the visible light spectrum, especially with the aid of a telescope. The BN Object is thought to be an intermediate-mass protostar.
Rogelio Bernal Andreo (born 9 January 1969) is a Spanish-American astrophotographer.He is known for his photographs of deep sky objects.His work has been recognized by NASA as a regular contributor to their Astronomy Picture of the Day (APOD) [1] 80 times.
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Sharpless 140 is an H II region and emission nebula in the Cepheus constellation, [2] 3,000 light years from the Solar System. [1] It is part of the Cepheus bubble. [ 3 ] The surface of the nebula's clouds primarily consists of polycyclic aromatic hydrocarbons .
NGC 2440 is a planetary nebula, one of many in our galaxy. Its central star, HD 62166, [1] is possibly the hottest known white dwarf, about 400,000°F(200,000°C). The nebula is situated in the constellation Puppis. It was discovered by William Herschel on March 4, 1790. He described it as "a beautiful planetary nebula of a considerable degree ...