Podcasts · Dad, How Does It Work? Science Podcast for Kids

How Big Is the Sun? Science for Kids

14 Feb 2026 · 13 min · S1 E4

You look up at the Sun, and it just looks like a small bright circle.

So how big could it really be?

Could it be the size of Earth?

Bigger than a city? Bigger than a planet?

What if more than a million Earths could fit inside it?

And if it’s that huge…

Why does it look so tiny in the sky?

And how can something that far away still hold every planet, including us, in orbit?

Suddenly, the Sun doesn’t feel small at all.

The episode on the publisher’s site ↗ (opens in a new tab)