54.5 MB (411.2 KB compressed)
3842 x 4961 pixels
32.5 x 41.9 cm ⏐ 12.8 x 16.5 in (300dpi)
NOAO / SCIENCE PHOTO LIBRARY NOAO / SCIENCE PHOTO LIBRARY
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Computer-enhanced, false-colour image showing the halo of gas around the red supergiant star Betelgeuse. Betelgeuse is a massive, variable star, which lies about 650 light years from Earth in the constellation of Orion. It has one of the largest diameters known & is 17,000 times brighter than the Sun. It has a turbulent, convective atmosphere, a strong stellar wind, & a variable diameter. It will probably end its life in a supernova explosion. Its name is a contraction of an Arabic phrase meaning "armpit of the central one", referring to the armpit of Orion.
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