This is a series of pictures taken by the Hubble Space Telescope between 1994 and 2009. This is the result of one of the brightest supernovas ever seen. It occurred twenty-five years ago and scientists have been watching and waited for the expanding debris from this tremendous stellar explosion to crash into previously expelled material. The collision occurred at speeds near 60 million kilometers per hour and shock-heats the ring material causing it to glow. Astronomers are still studying the mysterious rings.
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