AstronomyCast 168: Enrico Fermi
26 Jan 201032min
Ep. 15: Listener Questions Answered
We finally get organized enough deal with several listener questions: isn�t dark matter just regular stuff we can�t see? how can parts of the Universe be expanding faster than the speed of light? what will Betelgeuse look like when it explodes as a supernova? what�s the speed of gravity? All these and more questions are answered.
18 Dec 200629min
