NPR logo

Limits on Star Size

  • Download
  • <iframe src="https://www.npr.org/player/embed/4529313/4529314" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
Limits on Star Size

Space

Limits on Star Size

Limits on Star Size

  • Download
  • <iframe src="https://www.npr.org/player/embed/4529313/4529314" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Astronomers don't know how big the biggest star in the universe is, but one astronomer says he has a rough idea. The largest gaseous ball may be about 130 times more massive than our sun. The argument has been put forth in this week's journal Nature, which also argues that there's an upper limit to the size of stars.