The supernova fuse is lit

By Adrian Cho FIREWORKS fans take note: astronomers have spied a pair of aged stars locked in a dance of death that will lead inevitably to a spectacular supernova. And you’ll only have to wait 200 million years to see it. Astrophysicists have been struggling to explain the enormous stellar explosions known as type Ia supernovae. Type II supernovae, which are dimmer,
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