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From 10 epsHost
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234: How many stars are there in space?
May 1, 2026
Unknown duration
232: Are there rainbows on other planets?
Apr 1, 2026
10m 47s
232: How many potholes are on an asteroid?
Mar 2, 2026
5m 44s
231: How big is space?
Feb 1, 2026
9m 59s
230: What is the fastest planet?
Jan 1, 2026
5m 03s
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| Date | Episode | Topics | Guests | Brands | Places | Keywords | Sponsor | Length | |
|---|---|---|---|---|---|---|---|---|---|
| 5/1/26 | ![]() 234: How many stars are there in space? | A question from Kellan, age 6. Professor Kim McLeod answers. To learn more about Wellesley College's Whitin Observatory, including public visit nights, go here. For more on what you can do to reduce light pollution, see these resources from Dark Sky International. | — | ||||||
| 4/1/26 | 232: Are there rainbows on other planets?✨ | rainbowsplanets+3 | Dr. Alejandro Soto | — | — | rainbowsplanets+3 | — | 10m 47s | |
| 3/2/26 | 232: How many potholes are on an asteroid?✨ | asteroidsplanetary defense+3 | Dr. Nancy Chabot | NASADART | — | potholesasteroid+3 | — | 5m 44s | |
| 2/1/26 | 231: How big is space?✨ | spaceastronomy+3 | Dr. Jeff Rich | Carnegie Observatories | — | spacesize of space+3 | — | 9m 59s | |
| 1/1/26 | 230: What is the fastest planet?✨ | fastest planetastronomy+3 | Dr. Jessie Christensen | — | — | fastest planetastronomy+3 | — | 5m 03s | |
| 12/1/25 | 229: What do asteroids smell like?✨ | asteroidsspace questions+3 | Dr. Christopher Snead | — | — | asteroidssmell+4 | — | 6m 41s | |
| 11/20/25 | 228: Do other planets really have diamond rain?✨ | diamond rainplanetary science+3 | Dr. Sabine Stanley | What's Hidden Inside Planets | — | diamond rainplanets+3 | — | 7m 16s | |
| 10/15/25 | 227: What is the fastest asteroid?✨ | asteroidsspace+3 | Dr. Michael Busch | listentospacepod.com | — | fastest asteroidspace questions+3 | — | 5m 58s | |
| 3/2/25 | 226: The intersection of computer science and astronomy with Dr. Kubica✨ | computer scienceastronomy+3 | Dr. Jeremy Kubica | LINCC Frameworks | — | computer scienceastronomy+4 | — | 21m 57s | |
| 12/22/24 | 225: A newly discovered Martian volcano with Dr. Lee✨ | Martian volcanoplanetary science+3 | Dr. Pascal Lee | — | Mars | Martian volcanoPascal Lee+3 | — | 41m 02s | |
Want analysis for the episodes below?Free for Pro Submit a request, we'll have your selected episodes analyzed within an hour. Free, at no cost to you, for Pro users. | |||||||||
| 10/30/24 | 224: Aurora borealis with Tina Ibsen✨ | aurora borealisspace exploration+4 | Tina Ibsen | RumSnak | Denmark | aurora borealisnorthern lights+5 | — | 54m 17s | |
| 10/13/24 | ![]() 223: Preparing for something we haven't seen yet with Dr. Holt | Dr. Carrie Holt talks about how she's getting ready for the Legacy Survey of Space and Time (LSST) by the Vera C. Rubin Observatory. She explains how astronomers are using simulated and real data to prepare in advance of this new data. | — | ||||||
| 8/4/24 | ![]() 222: Measuring the emptiness of space with Dr. Becker | Dr Tracy Becker tells us about solar system science using ultraviolet light. She explains how the color of a planet's northern lights depends on the planet's atmosphere. She also describes how scientists repurposed the New Horizons spacecraft to measure how empty space is. | — | ||||||
| 6/23/24 | ![]() 221: The queens of heaven with Prof. Tauris | Professor Thomas Tauris explains what gravitational waves can tell us about colliding neutron stars. He corrects Carrie's misconception about how gravitational waves affect people. He also explains how the last 400 years of astronomy have been like watching a silent movie, but now with gravitational waves, we have a soundtrack. | — | ||||||
| 5/19/24 | ![]() 220: Walking on the roof of hell with Prof. Stanley | Prof. Sabine Stanley, author of "What's Hidden Inside Planets," tells us how the interior of Earth helps make this planet a nice place to live. She tells us that the Earth's mantle is actually solid rock, not liquid rock. She also explains what the Earth's interior and birthday balloons have in common. Spacepod listeners can get a 30% discount on "What's Hidden Inside Planets" with the code HPLAN if you order through Hopkins Press at press.jhu.edu. (This code is shared as a courtesy, Spacepod does not receive compensation if you order a book.) | — | ||||||
| 4/22/24 | ![]() 219: Breaking the models with Dr. Merrison | Dr. Jon Merrison talks about the Mars Simulation Laboratory. Here, scientists study what happens in low temperature, low pressure, windy environments. He says visiting scientists often "come to our lab with some idea based on the conventional model and go away with data which makes no sense to them." | — | ||||||
| 3/24/24 | ![]() 218: Anything we try is new with Dr. Cable | Dr. Morgan Cable returns to the show after nine years! She tells us how she creates new minerals in her laboratory. She explains how this work helps shape NASA's Dragonfly mission. She encourages listeners to have confidence in their results. | — | ||||||
| 2/19/24 | ![]() 217: A beautiful experience with Dr. Villanueva | Dr. Geronimo Villanueva tells us about solar system discoveries with JWST. He talks about several projects, including observing water plumes from Saturn's moon Europa and looking for rings around Mars. He shares what it feels like to use this incredible space telescope. | — | ||||||
| 1/21/24 | ![]() Bonus: Carrie's research update | I was sick for a few weeks this month and had to delay the scheduled interview. In the meantime, I've got a bonus episode for you. In this episode I talk about FindPOTATOs, which is software written by Nicole Tan and me, Carrie Nugent, to find asteroids and comets. I share some challenges we faced and how we overcame them. We hope that findPOTATOs can help astronomers find more asteroids, comets, and trans-Neptunian objects in their images of the sky! | — | ||||||
| 12/24/23 | ![]() 216: Right and wrong theories in planetary science with Prof. McKinnon | Professor Bill McKinnon, 2023 recipient of the Kuiper Prize, reflects on his career as a planetary scientist. He tells us about a theory of his that was proven right, one that was proven wrong, and what he thinks might be proven wrong in the future. | — | ||||||
| 11/19/23 | ![]() 215: Naming asteroids with Dr. Williams | Dr. Gareth Williams tells us about asteroid names. He explains the rules around naming asteroids and tells us how an asteroid name lead to a surprise trip to meet one of his heroes. | — | ||||||
| 10/27/23 | ![]() 214: Astronauts on the moon with Dr. Denevi | Dr. Brett Denevi talks to us about the planned Artemis missions to the moon's South Pole. There, astronauts will collect rocks and other samples. She describes how geologists are working with the astronauts to ensure that the best, most interesting samples are collected. These samples will create a legacy set that scientists will study for decades. | — | ||||||
| 9/12/23 | ![]() 213: The Six with Loren Grush | Loren Grush talks about her new book, "The Six: The Untold Story of America's First Women in Space." She explains why Sally Ride was chosen to be the first American woman to go to space, and how the resulting attention was difficult for her. Loren also tells us how she researched and wrote the book during the pandemic. | — | ||||||
| 8/20/23 | ![]() 212: A scientific legacy with Dr. Blaney | We hear from Dr. Diana Blaney, the principal investigator of the mapping imaging spectrometer on Europa Clipper. Europa Clipper will travel to Jupiter to see if its moon Europa is habitable. She describes how they tested the spectrometer in special rooms to make sure it will work at Europa. | — | ||||||
| 8/6/23 | ![]() 211: The Sparkler Galaxy with Prof. Mowla | Professor Lamiya Mowla tells us about an exciting JWST discovery. She describes gravitational lensing as "nature's magnifying glass." She also explains why she likes calling telescopes time machines. We discuss pretty and shiny things, and why prettiness might indicate something is scientifically interesting. | — | ||||||
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Chart Positions
14 placements across 14 markets.
Chart Positions
14 placements across 14 markets.
