46: Spacecraft no bigger than a breadbox with Dr. Asphaug

Dr. Nancy Chabot returns to the show to talk about the DART mission, which changed the orbit of an asteroid moon. This was the first demonstration of asteroid deflection technology. She explains how t...

28 Marras 202226min

Professor Myriam Telus shares how she studies atmospheres using meteorites. These experiments can teach us about exoplanet atmospheres and planet formation. She says science feels like a playground, w...

23 Loka 202224min

International space law expert Cordula Panosch explains what is and is not legal when it comes to deflecting an Earth-bound asteroid. Although much depends on the individual circumstances, she explain...

18 Syys 202224min

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 Elo 202229min

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 Heinä 202228min

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 Kesä 202224min

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 Touko 202227min

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 Huhti 202225min