Podcast Episodes
Back to Search
A Bouncy Universe
Episode 269
How special is the Earth for having a large Moon, and what can it teach us about where to look for habitable planets? In this episode we explore new …
4 years, 6 months ago
IWOW
Episode 268
Mimas, the heavily battered "death star" moon of Saturn, may harbor a sub-surface ocean of liquid water like its neighbor, Enceladus. Water may have …
4 years, 7 months ago
The Local Solar Bubble and Another Dusty Star
Episode 267
The Astroquarks assemble to examine the mysterious of a star that is blocked out perhaps by a giant dust cloud. Meanwhile, the Sun is passing through…
4 years, 7 months ago
Lagrange Points Everywhere
Episode 266
We welcome 2022 with a look at the future home of the James Webb Space Telescope - Earth's L2 Lagrange point, and an exploration of Lagrange points a…
4 years, 7 months ago
Q-Balls!
Episode 265
One of our favorite cosmological mysteries is why there is any stuff in the universe. We're here because there was a tiny fraction more matter than a…
4 years, 8 months ago
Eggshell Planets and the Inexorable Growth of Black Holes
Episode 264
We take a deep dive into toffee planets with The Planetary Guy, Dr. Paul Byrne, who helps us explore the myriad types of exoplanets that might be lur…
4 years, 8 months ago
JWST and the Era of Reionization
Episode 263
On the eve of its long-anticipated launch, we explore one of the many areas of exploration of the JWST, the early universe after the birth of the fir…
4 years, 8 months ago
Strange Atoms and Jupiter's Deep Atmosphere
Episode 262
Scientists are creating large, quantum-fuzzy atomic nuclei with large numbers of neutrons to get clues about nucleosynthesis in the very early univer…
4 years, 9 months ago
Perpendicular Planets and a Chip Off the Old Moon
Episode 261
We explore an exoplanet system where the orbits of the planets are at right angles to each other. A chunk of rock trailing the Earth around the Sun m…
4 years, 9 months ago
Galactic Protoclusters and the Heat of Information
Episode 260
It's the first Strange Up Top episode of Walkabout with Hannah Sargeant where we explore the odd core of the Andromeda galaxy, the formation of galac…
4 years, 9 months ago