A nova explosion is the dramatic instance of a star exploding as it interacts with another nearby star, part of the long, slow death of two neighboring stars in the same system.
T Coronae Borealis, the 'Blaze Star' or 'T CrB', involves a white dwarf and a red giant where 'cannibalism' leads to immense pressure and heat triggering a thermonuclear explosion, occurring every 80 years.
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