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Orion's Horsehead Nebula
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Orion's Horsehead Nebula
Credit & Copyright:
Photograph made from plates taken with the UK Schmidt Telescope.
Color photography by David Malin.
Copyright: Anglo-Australian Telescope Board
Explanation: The Horsehead Nebula is arguably the most famous nebula on the sky. It is visible as the black indentation to the red emission nebula seen just to the right of center of the above photograph. The bright star near the center is located in the belt of the familiar constellation of Orion. The horse-head feature is dark because it is really an opaque dust cloud which lies in front of the bright red emission nebula. Like clouds in Earth's atmosphere, this cosmic cloud has assumed a recognizable shape by chance. After many thousands of years, the internal motions of the cloud will alter its appearance. The emission nebula's red color is caused by electrons recombining with protons to form hydrogen atoms. Also visible in the picture are blue reflection nebulae, which preferentially reflect the blue light from nearby stars.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Russkii tekst
Based on Astronomy Picture Of the Day
Publikacii s klyuchevymi slovami: nebula - Orion - Horsehead Nebula - Konskaya golova - Orion - pylevoe oblako - emissionnaya tumannost'
Publikacii so slovami: nebula - Orion - Horsehead Nebula - Konskaya golova - Orion - pylevoe oblako - emissionnaya tumannost'
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