Summary: Up-to-date night sky activity beginning February 2, 2010 through February 15, 2010. In this episode: What are gamma rays and what do they mean to us? What do we know and how are we studying these high-energy particles.
Summary: Up-to-date night sky activity beginning February 2, 2010 through February 15, 2010. In this episode: What are gamma rays and what do they mean to us? What do we know and how are we studying these high-energy particles.