Hi All, Yale University offers Open Courses including a series of lectures from Yale University entitled Frontiers and Controversies in Astrophysics The first part is published further courses will be added in due course. The first course has 7 50 minute lectures. It is free to register and to subscribe to the course.
This course focuses on three particularly interesting areas of astronomy that are advancing very rapidly: Extra-Solar Planets, Black Holes, and Dark Energy. Particular attention is paid to current projects that promise to improve our understanding significantly over the next few years. The course explores not just what is known, but what is currently not known, and how astronomers are going about trying to find out
ASTR 160: Frontiers and Controversies in Astrophysics
http://oyc.yale.edu/astronomy/fronti...class-sessions 
