Pluto: The Demoted Dwarf Planet

Part one of the mid-year coverage of things literally and figuratively unearthed in the last quarter includes updates, more updates, animals, edibles and potables, and accidental finds. Research: Addley, Esther. “Solstice-aligned 5,000-year-old monument ‘once in a lifetime find’, ... Show More

This 2023 episode covers how humans have worked on ways to make garments water resistant almost since they started to wear them. But figuring out how to manufacture a raincoat using rubber was a big breakthrough that took centuries.See omnystudio.com/listener for privacy informat ... Show More

Holly and Tracy discuss how frustrating Charles Goodyear could be. Then Holly talks a lot about shoes and how much she loves them.See omnystudio.com/listener for privacy information. 

Pluto is tiny, icy, and used to be the ninth planet in the solar system. Used to be. So why isn’t Pluto a planet anymore? Join Molly and co-host Momo as they learn Pluto’s history, talk to planetary scientist Kelsi Singer about NASA’s New Horizons mission, and even hear from the ... Show More

An international committee of astronomers agreed Pluto wasn't really a planet in 2006. They reclassified it as a 'dwarf planet' instead. The decision was made after Mike Brown of the California Institute of Technology identified a larger body, Eris, in the Kuiper Belt. He has bee ... Show More

Although the International Astronomical Union demoted Pluto from a planet to a dwarf planet in 2006, some scientists think it deserves to be reinstated. Learn why in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/pluto-is-it-planet-after-all. ... Show More

Why did Pluto suddenly became a dwarf planet? Why did they change it in 2006, and who defined what makes a planet and what doesn't? Why did we get so excited about new photos of Pluto a few years ago?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive communit ... Show More

Pluto may not be a planet, but it definitely exists. Not every case is so clear. The history of near-Earth astronomy contains many cases of bodies that may or may not have ever existed in the solar system we call home. In this episode of Stuff to Blow Your Mind, Robert Lamb and J ... Show More

In the book “Chasing New Horizons: Inside the Epic First Mission to Pluto,” authors Dr. Alan Stern and Dr. David Grinspoon recount the riveting history of the quest to send a spacecraft to the planet Pluto. In this episode of Stuff to Blow Your Mind, Grinspoon chats about the boo ... Show More

Pluto was unseated as our solar system’s ninth planet in 2006. Since then astronomers have found signs that a real ninth planet could be hiding at the edges of our solar system. Clara Moskowitz, senior editor for space and physics, explains how the forthcoming Vera Rubin Observat ... Show More

Pluto was unseated as our solar system’s ninth planet in 2006. Since then astronomers have found signs that a real ninth planet could be hiding at the edges of our solar system. Clara Moskowitz, senior editor for space and physics, explains how the forthcoming Vera Rubin Observat ... Show More

Pluto may not be a planet, but it definitely exists. Not every case is so clear. The history of near-Earth astronomy contains many cases of bodies that may or may not have ever existed in the solar system we call home. In this episode of Stuff to Blow Your Mind, Robert Lamb and J ... Show More