Walkabout the Galaxy
An irreverent and informative tour of the latest, greatest, and most interesting discoveries in astronomy.
- Update frequency
- every 9 days
- Average duration
- 44 minutes
- Episodes
- 346
- Years Active
- 2015 - 2025
The Babiest Galaxy
Jim Cooney joins Josh and Addie to talk about the origin of galaxies and the observation of a galaxy from when the universe was but a teeny weeny baby of a universe, less than 1/12th its current size…
Attack of the Gravitational Wave
A long time ago in a galaxy far, far away, two big black holes (no jokes, please) collided with each other releasing a ginormous amount of energy that has propagated across the universe as the tinies…
Planet 9 From Outer Space!
Not content with being the self-proclaimed "Pluto Killer", CalTech professor Mike Brown has now co-authored a paper hypothesizing the existence of, in his own words, "the most planet-y of planets" or…
El Nino and the Price of Anchovies
So what do floods in the southwest have to do with the price of anchovies? Join Josh, and Julie Brisset and find out in this episode of Walkabout from our guest Professor Dan Britt. But first: Star W…
Exploring the Kuiper Belt with Alan Stern
Join us for a discussion with Dr. Alan Stern, Principal Investigator of the New Horizons mission to Pluto, and hear about the mission and its discoveries from the man who made it happen. New Horizons…
The Mystery of Mars' Missing Air
Why is there no air on Mars? NASA's MAVEN mission has supplied some details on how our neighbor lost what was likely a robust atmosphere comparable to Earth's. Spoiler alert: size does matter. Mars' …