Is there a ninth planet in the solar system lurking somewhere in the inky depths of space? Learn about Vulcan, Planet X, and the history of planetary astronomy in this week's PhysicsCentral podcast!
In this edition of the PhysicsCentral podcast, we hear from a few teams who are still in the running for the CubeQuest Challenge: a contest for homegrown teams to build their own small satellites - cubesats - and compete against each other by demonstrating technological feats. Five million...