Astronomers might have witnessed supernova

Notes
Astronomers have seen what they believe could be the most powerful supernova explosion ever. They say the star, which is 3.8 billion light years away, was first seen in June 2015. Though it may have begun to fade, at its peak the event was 200 times more powerful than a typical exploding star. That means…
Related Media
See more
Related Illustrations
See more