341: The 45th Lunar and Planetary Society Conference, with Alessondra Springmann

AstronomyCast 171: Solar System Movements & Positions

10 Feb 201036min

AstronomyCast 170: Coordinate Systems

2 Feb 201035min

AstronomyCast 169: The Fermi Mission

1 Feb 201031min

26 Jan 201032min

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? ...

18 Des 200629min