Hertzsprung-Russell

Betelgeuse and Antares Have Been Observed for Over 2,000 Years. Astronomers can use This to Figure out how old They are

Stars don’t usually evolve fast enough for humans to notice them change within one lifetime. Even a hundred lifetimes won’t…

7 months ago

What is the Biggest Star in the Universe?

If our Universe could be likened to a playground, our Sun would be one of the little kids playing in…

7 years ago