T Coronae Borealis explodes once every 80 years or so after the white dwarf strips enough of the red giant's atmosphere.
The night sky might be about to gain a brand-new star thanks to a distant sun exploding violently.This far-distant stellar system is situated around 3,000 light years away from Earth and is usually much too dim to be seen with the naked eye.This year, however, T Coronae Borealis, or T CrB, is expected to explode for the first time since 1946, briefly shining brighter than the North Star Polaris, according to NASA.T CrB is a recurring nova, one of only five known to exist in our galaxy.
T CrB last exploded in 1946 and is expected to explode again sometime between February and September 2024.Usually, T CrB has a magnitude of +10, with a smaller or negative magnitude number meaning an object is brighter. The sun has a magnitude of -27, while the full moon is brightest at -13, and two of the brightest stars in the sky, Sirius and Antares, have magnitudes of −1 and 1, respectively. Objects with magnitudes lower than around +6 are visible to the naked eye.
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