The two objects make for a strange pair. Unlike Betelgeuse, which is approaching the end of its life, the blue-white companion (or Betelbuddy) has yet to start burning hydrogen in its core. In other ...

Revealed by advanced imaging, the long-sought "Betelbuddy" is much smaller and fainter than Betelgeuse and orbits within the supergiant’s atmosphere.

The latest research results indicate that these famous star clusters represent the different phases of life of one and the ...