One of our universe's biggest stars has dramatically turned into a rare, yellow 'hypergiant' star, and astronomers aren't sure when it will go supernova.

Astronomers just watched a star 1,540 times the size of our sun transform into a hypergiant. Will it go supernova?

Source: space
Source Link: https://www.space.com/astronomy/stars/astronomers-just-watched-a-star-1-540-times-the-size-of-our-sun-transform-into-a-hypergiant-will-it-go-supernova