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Episode 3032 min

Why is the Night Sky Dark?

A child's question with a universe inside it: if stars go on forever, why isn't the whole sky ablaze? Tonight: the astronomers who wrestled with this question for 300 years, the poet who may have solved it first, and the two real answers to the question. And much more. Just long enough to fall asleep to. 🌙

Listen here

Take your time. The story starts when you’re ready.

Settle in. There’s nothing you need to remember.

Episode artwork for Why is the Night Sky Dark?

A note before you listen

Welcome back, my sleepy friends. Get comfortable, let your breathing slow, and follow along for as long as you like. If you drift off somewhere along the way, the story will keep you company.

Whenever you're ready

Something to wonder about.
Nothing to keep you up.

Find a comfortable corner. Let the day get a little quieter.
We’ll take it from here.