REACHing Out are bi-weekly mini-episodes where we answer YOUR Questions. This week we're actually digging into a question both Brian and Meredith had on a past episode: "What is Planet 9?"  Joining us with the answer is Dr. Mike Brown, Richard and Barbara Rosenberg Professor of Planetary Astronomy at the California Institute of Technology.

Hosts: Brian Holden and Meredith Stepien

Written by: Nate DuFort with Sandy Marshall, Meredith Stepien and Brian Holden.

Co-Created, Produced by: Nate DuFort and Sandy Marshall

Edited by: Nate DuFort

Music composed by: Jesse Case

Logo by: Steven Lyons

Special thanks to Dr. Mike Brown, Richard and Barbara Rosenberg Professor of Planetary Astronomy at the California Institute of Technology.

We’d also like to thank Kay Ferrari at NASA’s Jet Propulsion Laboratory, and everyone at NASA Space Place.

Dr. Mike Brown, Richard and Barbara Rosenberg Professor of Planetary Astronomy at the California Institute of Technology

https://mikebrown.caltech.edu/

The Search for Planet Nine

Konstantin Batygin and Mike Brown

https://findplanetnine.blogspot.com/

“How I Killed Pluto, and Why It Had It Coming” by Mike Brown

https://www.amazon.com/How-Killed-Pluto-Why-Coming-ebook/dp/B003F3FJTG/ref=sr_1_1?crid=BDGZGZ51KG8&keywords=why+i+killed+pluto+mike+brown&qid=1645974183&s=digital-text&sprefix=why+i+killed+pluto+mike+brown%2Cdigital-text%2C66&sr=1-1

Want to support our friend Mick and The Past and the Curious podcast while pre-ordering  his latest book I See Lincoln's Underpants? Head on over to the Kickstarter to find out how: https://www.kickstarter.com/projects/heartallybooks/i-see-lincolns-underpants-from-the-past-and-the-curious

And then go listen to The Past and the Curious available wherever you get podcasts!