A color-processed image shows a companion star (blue) orbiting the supergiant star Betelgeuse, which marks the shoulder or Orion the hunter. Astronomers just confirmed the companion star last year. The two stars orbit each other once every six years. The companion probably is a little bigger and heavier than the Sun. [International Gemini Observatory/NOIRLab/NSF/AURA]
Find out more in our radio program entitled Doomed Companion?.