Explaining The Universe on Instagram: "Betelgeuse is a massive red supergiant star located about 640 light-years away in the constellation Orion, forming the bright reddish shoulder of the hunter figure. It is one of the largest and brightest stars visible to the naked eye, with a diameter roughly 1,000 times that of the Sun. Betelgeuse is nearing the end of its life, having exhausted the hydrogen in its core, and will eventually explode as a supernova, an event so bright it could be visible eve