Ira Flatow interviews astronomer Chad Trujillo about a new dwarf planet that he and his team discovered in the outer reaches of our solar system: Dwarf Planet Found at the Edge of the Solar System – Science Friday
More about the discovery:
- A Sedna-like body with a perihelion of 80 astronomical units – Nature
- Oort cloud revealed: 2012 VP113 has largest perihelion distance known – Slate
- A second Sedna! What does it mean? – The Planetary Society
Unmannedspaceflight.com user Lucas, via Planetary Society
This diagram shows the relative sizes of the
orbits of Pluto and the dwarf planets
Eris, Sedna, and 2012 VP113