Beetlejuice Star Supernova 2024. Observations by nasa’s hubble space telescope are showing that the unexpected dimming of the supergiant star betelgeuse was most likely caused by an. Discover betelgeuse, the red supergiant star that's making headlines for it may go supernova in our lifetimes.
They are the largest stars in the universe because they puff up and expand out into. Astronomers say big cool patches on a supergiant star.