Bruce Betts has completed the lectures for his online 2014 Introduction to Planetary Science and Astronomy Course at CSUDH: all are online and you can earn a Certificate of Achievement for watching them.
Explore the physical characteristics and inner workings of the Sun and then learn all about Stars and Stellar Evolution in this video of class 12 of Bruce Betts' Introduction to Planetary Science and Astronomy class.
Learn about the formation and origin of the Solar System and go beyond our neighborhood to investigate exoplanets (planets around other stars) in this video of class 11 of Bruce Betts' Introduction to Planetary Science and Astronomy class.
You may have heard or read that the Planetary Society recently received the largest gift in its history. It will revolutionize the Society. In the next few weeks will be able to hire a number of new people, who will help us realize our potential and, as I so often remark, change the world.