Space Stories - Astronomy Words: Dwarf Planet

The 365 Days of Astronomy · Oct 3, 2026 · 5m

Hosted by our Director, Avivah Yamani.

Why is Pluto a dwarf planet? Discover how new findings changed the definition of a planet—and our perspective on the Solar System.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can!

Share the podcast with your friends and send the Patreon link to them too!

Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and…