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An Astronomer Calculated the Exact Day a Star Will Blow—and It’s Today


The rare nova explosion—once it happens—will be so bright that you'll be able to spot it without a telescope.

A paper published last year in Research Notes of the American Astronomical Society estimated that the star is likely to explode on Thursday, March 27—so get ready to look up. The red giant star is slowly being stripped of its hydrogen by the strong gravitational pull of its companion, the white dwarf, as the two are interlocked in a dangerous orbital dance. As the hydrogen from the red giant star accretes onto the surface of the white dwarf, it causes a buildup of pressure and heat, which eventually triggers a thermonuclear explosion that blasts away all that material.

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