Astronomers just discovered a faint companion orbiting Betelgeuse—explaining a 100-year-old mystery. Here’s how they found it, and why it may not be around for much longer.
Chapters:
00:00 Introduction
00:34 How the Discovery Was Made
02:46 What We Know About the Companion
04:56 What This Means for Stellar Evolution
07:23 Outro
07:43 Enjoy
Credit to : NASA Space News