Question: is betelgeuse a red supergiant?
Answer: Betelgeuse, pronounced “BET-tal-joos”, is a red supergiant star, located an estimated 642 light-years away. It's the alpha star – that is the brightest star – of the constellation Orion the Hunter, which is a very prominent constellation in the sky at this time of year. Betelgeuse represents Orion's left shoulder.