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A Look at SuperNova 1987A - Thirty Years Later

04/08/2017 07:25PM

A Look at SuperNova 1987A - Thirty Years Later

Three decades ago, astronomers spotted one of the brightest exploding stars in more than 400 years. The titanic supernova, called Supernova 1987A (SN 1987A), blazed with the power of 100 million suns for several months following its discovery on February 23, 1987. Since that first sighting, SN 1987A has continued to fascinate astronomers with its spectacular light show. Located in the nearby Large Magellanic Cloud, it was the nearest supernova explosion observed in hundreds of years and provided the best opportunity yet for astronomers to study the phases before, during, and after the death of a star. Recent data from the Hubble Space Telescope, the Chandra X-ray Observatory, and the Atacama Large Millimeter-Submillimeter Array (ALMA) indicates that SN 1987A has passed an important threshold as the supernova shock wave blasts through the dense ring of gas initially expelled by the pre-supernova star.


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