Betelgeuse's Unexplained 50% Brightness Increase Baffles Scientists
Betelgeuse, the red supergiant star, has brightened by almost 50%, leading to speculation about its potential supernova explosion. New research suggests that it could explode sooner than expected, but the exact evolutionary stage of the star is difficult to determine. Betelgeuse is a pulsating semiregular variable star with multiple cycles that make it challenging to understand. When it eventually explodes, it will be a light show visible to humanity and an unprecedented opportunity to study stellar evolution, supernovae, and stellar remnants.