Hide and seek with Planet 9

Planetary Radio: Space Exploration, Astronomy and Science - A podcast by The Planetary Society

Try Bookbeat 60! days for free, click here

Enjoy a whole world of audiobooks and e-books, everything from new releases to the classics

Categories:

Caltech's Mike Brown and Konstantin Batygin discuss their new paper, the latest evidence for Planet 9, and why they believe their hunt may soon be over.

Visit the podcast's native language site