How can a young blue giant have a white dwarf companion star that’s billions of years older?
- Posted on July 21, 2026
- By Astronomy
- 0 Views
- 1 min read
In brief
Generating AI summary…
How can a young blue giant have a white dwarf companion star that’s billions of years older?
Born at the same time, the star that formed Sirius B started out more massive and evolved more quickly than its companion, Sirius A.
