Betelgeuse is Smaller and Closer to Earth than Previously Thought0
- From Around the Web, Space
- October 17, 2020
Using new observational data from the space-based Solar Mass Ejection Imager and three different modeling techniques, astronomers have found that Betelgeuse, a red supergiant in the constellation of Orion, has a radius of about 764 solar radii, a mass between 16.5 and 19 solar masses, and is 548 light-years away.