URCall: Blue Star-adjacent

From the ICR’s URCall series of videos, hosted by Markus Lloyd. “Blue Stars” (link)

Transcript:

Blue stars burn so brightly that they consume their fuel much faster than other stars. The hottest blue stars last only a few million years, and no astronomer has ever observed a new blue star forming. So, if astronomers are still seeing blue stars – which should have burned out a long time ago – how can the universe be billions of years old?

Continue reading

Advertisements