Pluto Killer Thinks He Has New Ninth Planet
Jan 25, 2016•4 min
Listen to this episode in Metacast mobile app
Don't just listen to podcasts. Learn from them with transcripts, summaries, and chapters for every episode. Skim, search, and bookmark insights. Learn more
Episode description
Caltech astronomer Mike Brown, the driving force for demoting Pluto, now claims evidence for a massive, distant replacement ninth planet in our solar system.
Learn more about your ad choices. Visit megaphone.fm/adchoices
For the best experience, listen in Metacast app for iOS or Android