Asteroids, Comets, & Meteors: What's the Difference?

In 1801 Giuseppe Piazzi spotted a bright spot that looked like a star while looking between Mars and Jupiter. They called it an asteroid.

TestTube Plus is built for enthusiastic science fans seeking out comprehensive conversations on the geeky topics they love. Host Trace Dominguez digs beyond the usual scope to deliver details, developments and opinions on advanced topics like AI, string theory and Mars exploration. TestTube Plus is also offered as an audio podcast on iTunes.