Rigel is a blue supergiant that is the brightest star in the constellation Orion (the Hunter). Due to its measured size and brightness it is expected to end in a supernova one day. It also has two ...

Blue supergiants are supergiant stars (class I) of spectral type O. They are extremely hot and bright, with surface temperatures of between 20,000 - 50,000 degrees Celsius. The best known example ...

In the new 'Strange New Worlds' episode "Among the Lotus Eaters," Star Trek returns to Rigel VII, a planet that goes back to "The Cage." Here's what's different.

Like Betelgeuse, Rigel (RYE-jel) is also a supergiant star but one of a different color and temperature. Astronomers classify it as a blue supergiant with a surface temperature of over 20,000 ...

Stellar classifications give a general idea of the star’s temperature, age, and composition. However, astronomers have obtained sophisticated spectra of stars, which provide more detailed ...