supergiant

An image of Betelgeuse as seen from the Natural park of Cabo de Gata, Almería, Andalusia, South of Spain.

Discovery suggests red supergiant Betelgeuse was actually yellow 2,000 years ago

Using historical depictions and descriptions of Betelgeuse through the ages, scientists were able to roughly determine when the supergiant star got its red hue. The team found that the star, located in the constellation of Orion in the Milky Way about 640 light-years from Earth, changed from a yellow-orange color to red about 2,000 years …

Discovery suggests red supergiant Betelgeuse was actually yellow 2,000 years ago Read More »

The red supergiant star Betelgeuse was a different color just 2,000 years ago

The red supergiant star Betelgeuse was a different color just 2,000 years ago

Today, he stands on the brink of death: a huge ball of red fire, dazzling like an evil bloodshot eye before transforming into a tiny pinprick of degenerated matter. But the red supergiant Betelgeuse was not always like this. Once upon a time, the star was a main-sequence monster – a blue-white O-type star, the …

The red supergiant star Betelgeuse was a different color just 2,000 years ago Read More »