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Who knows. It may have already happened!!! but because of the distances between stars, we may not know for thousands or millions of years.

Within the Milky Way, possible supernovae are Rho Cassiopeiae, VY Canis Majoris, Betelgeuse, Antares, and Spica. Many Wolf-Rayet stars and those in the Quintuplet Cluster,are also considered possible. The nearest supernova candidate is IK Pegasi (HR 8210), located at a distance of only 150 light years. This closely orbiting binary star system consists of a main sequence star and a white dwarf. The dwarf has an estimated mass equal to 1.15 times that of the Sun. It is thought that several million years will pass before the white dwarf can accrete the critical mass required to become a Type Ia supernova.

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Which star will be the next to go into super-nova?

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What is more dangerous than a supernova?

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What is the Vela Supernova?

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