Today In The Space World on MSN

When Betelgeuse explodes: A second sun in our sky

The explosion of Betelgeuse will be a once-in-human-history event. This video details exactly what we'll see from Earth when the supernova occurs: a new point of light as bright as the full moon, ...
Astronomers have observed what they believe to be a never-before-seen companion star orbiting Betelgeuse, a pulsating red supergiant star in the shoulder of the Orion constellation. One of the best ...
Today In The Space World on MSN

Betelgeuse: The Last Breath of a Giant Star

Betelgeuse, one of the largest stars ever discovered, is reaching the end of its life. In the coming centuries or perhaps even right now it could explode into a supernova visible even during the day.