Daniel and Kelly’s Extraordinary Universe cover image

If the Universe is infinite, why is the night sky dark?

Daniel and Kelly’s Extraordinary Universe

00:00

The Night Sky Is Dark

The number of stars should win, according to a 17th century mathematician. But the night sky is dark and so something must be wrong with this calculation. If there's an infinite number of stars, even if distance dims them like one over distant squared, the night sky should be infinitely bright.

Transcript
Play full episode

The AI-powered Podcast Player

Save insights by tapping your headphones, chat with episodes, discover the best highlights - and more!
App store bannerPlay store banner
Get the app