The "thin, blood-red shells" of gas in this amazing deep-space image are SNR 0519, the remains of a sun-like star that exploded in a supernova about 600 years ago.
This photo of the supernova remnant, which is located about 150,000 light years from Earth in the southern constellation Dorado, was taken by the Hubble Space Telescope and released April 29.
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Supernovae are brilliant explosions that occur at the end of some stars' lives, and they come in two main types. Type I supernovae occur in binary (two-star) systems, when a white dwarf draws mass out of its companion star until the dwarf reaches a critical mass and explodes. In Type II supernovae, a star runs out of nuclear fuel, collapses under its own gravity, implodes and ejects its stellar material into space.
Based on the electromagnetic radiation it emits, scientists think SNR 0519 is the remnant of a type I supernova.
The remnants of some large stars that go supernova can form black holes as they collapse.
A version of the image was submitted to the Hubble Telescope's Hidden Photo Treasures contest last year and won sixth place.
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