File:Herschel Image of Andromeda Galaxy.jpg

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English: This image of the Andromeda spiral galaxy highlights explosive stars in its interior, and cooler, dusty stars forming in its many rings. The image is of an observation from the Herschel Space Observatory taken in infrared light. NASA plays a role in both of these European Space Agency-led missions.

Herschel provides a detailed look at the cool clouds of star birth that line the galaxy's five concentric rings. Massive young stars are heating blankets of dust that surround them, causing them to glow in the longer-wavelength infrared light, known as far-infrared, that Herschel sees.

Andromeda is our Milky Way galaxy's nearest large neighbor. It is located about 2.5 million light-years away and holds up to an estimated trillion stars. Our Milky Way is thought to contain about 200 billion to 400 billion stars. .
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Source http://herschel/index.php?SiteSection=ImageGallery&ViewImage=nhsc2011-001b
Author ESA/Herschel/PACS/SPIRE/J. Fritz, U. Gent; X-ray: ESA/XMM Newton/EPIC/W. Pietsch, MPE

Image use policy: http://herschel/index.php?SiteSection=ImageUsePolicy[dead link]

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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current17:56, 30 June 2011Thumbnail for version as of 17:56, 30 June 20113,016 × 4,106 (2.36 MB)Spitzersteph (talk | contribs)

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