Skip to main content

Up Next

Back to Show
It's Okay to Be Smart

Where Did Earth's Water Come From?

Season 6 Episode 14

Why is Earth is a blue planet? Because it’s covered in water! Where did Earth’s water come from? Of course, water isn’t unique to our planet. The origin of water traces beyond the solar system to the earliest days of the universe. Here’s the story of the galaxy’s H2O.

Only Available with Passport Starting