Betelgeuse Supernova — A Star’s Final Act The red giant Betelgeuse, one of the brightest stars in Orion, is nearing the end of its life — and when it goes supernova, the explosion could be visible from Earth even in broad daylight. This cosmic event could happen anytime, and it will shine brighter than the full Moon for weeks. Scientists are closely watching every flicker and shift, waiting for the moment it unleashes its final blaze. When it happens, we won’t just see a star die — we’ll witness

Betelgeuse totally slurps our solar system. Betelgeuse is a red supergiant star roughly 764 times as large as the Sun. For comparison, the diameter of Mars's orbit around the Sun is 328 times the Sun's diameter. | Cosmoknowledge