NASA | Take a “Swift” Tour of the Andromeda Galaxy


NASA’s Swift satellite tv for pc has acquired the highest-resolution view of the neighboring spiral galaxy M31. Also called the Andromeda Galaxy, M31 is the most important and closest such galaxy to our personal. It’s greater than 220,000 light-years throughout and lies 2.5 million light-years away within the constellation Andromeda. Between Could 25 and July 26, 2008, Swift’s Ultraviolet/Optical Telescope (UVOT) acquired 330 photographs of M31 at wavelengths of 192.8, 224.6, and 260 nanometers. The pictures characterize a complete publicity time of 24 hours. Some 20,000 ultraviolet sources are seen within the picture, together with M32, a small galaxy in orbit round M31. Dense clusters of sizzling, younger, blue stars sparkle within the disk past the galaxy’s clean, redder central bulge. Star clusters are particularly plentiful alongside a hoop about 150,000 light-years throughout.

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