Imaginea Astronomica a Zilei

Descopera cosmosul! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

2005 November 4
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M78: Stardust and Starlight
Credit & Copyright: Stephan Messner

Explicatie: (Edit) Interstellar dust clouds and bright nebulae abound in the fertile constellation of Orion. One of the brightest, M78, is just below center in this sharp widefield view, covering an area north of Orion's belt. At a distance of about 1,500 light-years, the bluish nebula itself is about 5 light-years across. Its blue tint is due to dust preferentially reflecting the blue light of hot, young stars in the region. Dark dust lanes and other nebulae can easily be traced through this gorgeous skyscape that also includes the remarkable McNeil's Nebula -- a newly recognized nebula associated with the formation of a sun-like star.

Imaginea de maine: starlight-weekend


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Autori & editori: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
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Un serviciu al: EUD at NASA / GSFC
& Michigan Tech. U.