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ShareMay 28, 2013 — The Hubble Space Telescope has captured the image of an unusual galaxy -- a beautiful, glittering swirl named, rather un-poetically, J125013.50+073441.5. A glowing haze of material seems to engulf the galaxy, stretching out into space in different directions and forming a fuzzy streak in this image. It is a starburst galaxy -- a name given to galaxies that show unusually high rates of star formation. The regions where new stars are being born are highlighted by sparkling bright blue regions along the galactic arms.
Studying starburst galaxies can tell us a lot about galactic evolution and star formation. These galaxies start off with huge amounts of gas, which is used to form new stars. This period of furious star formation is only a phase; once all the gas is used up, this star birth slows down. Other famous starbursts captured by Hubble include the Antennae Galaxies and Messier 82, the latter of which is forming new stars ten times faster than our galaxy, the Milky Way.
The data for this image were collected using Hubble's Wide Field Camera 3 as part of a study named LARS (Lyman Alpha Reference Sample), which is investigating the interaction between radiation and matter in relatively nearby starburst galaxies.
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