Imaginea Astronomica a Zilei

Descopera cosmosul! In fiecare zi este prezentata o noua imagine sau fotografie a universului nostru fascinant, insotita de o explicatie scurta din partea unui astronom profesionist.

2005 June 21
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The Cygnus Wall of Star Formation
Credit & Copyright: Michael Sherick

Explicatie: (Edit) The North America Nebula in the sky can do what North Americans on Earth cannot -- form stars. Specifically, in analogy to the Earth-confined continent, the bright part that appears as Central America and Mexico is actually a hot bed of gas, dust, and newly formed stars known as the Cygnus Wall. The above image in representative colors shows the star forming wall lit and eroded by bright young stars, and partly hidden by the dark dust they have created. The part of the North America nebula (NGC 7000) shown spans about 15 light years and lies about 1,500 light years away toward the constellation of Cygnus.

News: Solar Sail Spacecraft Launch
Imaginea de maine: negative saturn


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Autori & editori: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
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& Michigan Tech. U.