
142: The biggest clock with Rob Seaman
Rob Seaman of the Catalina Sky Survey talks about time, and why you need to know the time to discover asteroids and comets. He explains how he installed a highly accurate clock, and makes the case tha...
13 Jan 201917min

141: Eyes on the back of your head with Dr. Tholen
Dr. Dave Tholen talks about near-Earth asteroids. He explains why they can be difficult to observe, and how he manages to spot them anyway. He also tells the story of a particularly famous asteroid th...
30 Des 201836min

140: A brand new telescope with Dr. Kartaltepe
The James Webb Space Telescope hasn't launched yet, but scientists already have plans to use it. Dr. Kartaltepe talks about how she'll use it to study galaxies. She's interested in the first galaxies ...
16 Des 201812min

139: The missing mantle problem with Dr. DeMeo
Urey Prize winner Dr. Francesca DeMeo stops by the show to talk about her asteroid research. She explains what a differentiated asteroid is, and tells us about her asteroid classification system. She ...
2 Des 201821min

138: Transiting Exoplanets with Dr. Payne
Dr. Matthew Payne talks about his exoplanet research, which involves looking for periodic dimming in stars. We discuss the Kepler and TESS space telescopes, and he explains why he's so interested in m...
18 Nov 201823min

137: Documenting rapid change with Dr. Carey
Dr. Joanna Carey talks about her research on our home planet, Earth. She explains how the climate change we're experiencing is ten times faster than any in geologic history. We also discuss why small ...
4 Nov 201822min

136: Would sailboats work on Titan? With Dr. Soto
Dr. Alejandro Soto returns to the show to talk about how lakes on Titan and on Earth influence the nearby atmosphere. He talks about how lakes create breezes that allow for sailing on Earth, and how t...
21 Okt 201819min

135: Linking asteroid observations with Dr. Holman
Dr. Matt Holman, head of the Minor Planet Center in Cambridge, Massachusetts, stops by to talk asteroids. The Minor Planet Center handles about a hundred thousand asteroid observations a night, from o...
7 Okt 201823min


















