You are using an older browser version. Please use a supported version for the best MSN experience.

Astrophysicist Answers Questions From Twitter

Astrophysicist Paul M. Sutter answers the internet's burning questions about astrophysics. What exactly is dark matter? How many exoplanets are there? What is it in like a black hole? What actually is a parallel universe? Paul answers all these questions and much more!
image beaconimage beaconimage beacon