
200: Pluto is a planet, and so is its moon with Dr. Runyon
Dr. Kirby Runyon shares his definition of "planet"-- a round celestial body that was never a star. Using this definition, there are over 150 planets orbiting our sun. He explains why the word planet m...
21 Aug 202229min

199: Why can't we find Planet Nine with Prof. Lawler
Professor Lawler discusses why planet nine might not exist. She explains why reporting not finding something is as important as reporting a discovery. She tells us how satellite internet is getting i...
24 Juli 202228min

198: Dragonfly with Dr. Turtle
Dr. Zibi Turtle is the Principal Investigator of NASA's Dragonfly mission. She tells us what it is like to design and build an octocopter that will roam the surface of Saturn's moon Titan. She also te...
19 Juni 202224min

197: A massive asteroid hit at tremendous speed with Prof. Richardson
Professor Derek Richardson gives us an update on the DART mission, which is headed towards tiny asteroid moon Dimorphos. If all goes well this fall, DART will crash into Dimorphos at four miles per se...
22 Maj 202227min

196: Spinning universe with Dr. Cheng
Dr. Jon Cheng tells us about his fluid flow experiments. These experiments investigate fundamental physics. They can be applied to the movement of the Earth's core as well as things like liquid batter...
17 Apr 202225min

195: Dark and quiet skies with Dr. Rawls
Dr. Meredith Rawls talks about the unintended consequences of artificial satellite constellations. Satellites change the night sky, impacting the people and animals that rely on it. Hundreds of thousa...
20 Mars 202240min

194: Exoplanet next door with Prof Whitten
Prof Jenny Whitten tells us about VERITAS, a NASA mission that will orbit Venus. She explains how scientists will use radar to learn about the surface, and how they picked exactly which radar band to ...
20 Feb 202229min

193: Orbital parking spots with Larissa Markwardt
Larissa Markwardt talks about Trojan asteroids-- asteroids that orbit the sun a little before or after planets. She describes the special technique she uses to find these asteroids, and why not findin...
23 Jan 202219min


















