Betelgeuse is one of the closest stars to Earth, at a distance of only 650 light-years away. This makes Betelgeuse a fan-favorite with professional and amateur astronomers alike. Betelgeuse is a red ...

Betelgeuse is a massive red supergiant about 600 light years away and it has been dimming in a way astronomers did not expect. This video breaks down what Betelgeuse is why it is unstable and how ...