Thursday, October 28, 2010

APOD 2.1

"Ultraviolet Andromeda" provides the highest resolution photo ever of the Andromeda Galaxy in ultraviolet light. Andromeda is the closest galaxy to the Milky Way at 2.5 million light years, and is the only galaxy visible to the naked eye at night. The ultraviolet photo is actually composed of 330 high photos of each specific area, creating an extremely high resolution picture. While the ultraviolet spectrum is not visible to the naked eye, computer programs are designed to translate the images into a visible spectrum, which allows us to see densities of various parts of Andromeda, and parts that may be invisible normally. "Ultraviolet Andromeda" gives a fascinating view of our neighboring galaxy, and insight on its composition in other parts of light's spectrum.

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