Documents Gamma-Ray Bursts The Brightest Explosions Since the Big Bang H. A. Bethe Lecture March 6, 2002.

Slide 1 Gamma-Ray Bursts The Brightest Explosions Since the Big Bang H. A. Bethe Lecture March 6, 2002 Slide 2 Electromagnetic radiation – of which ordinary visible light…

Documents July 23, 2004 Part II: Introduction to Observational Astronomy.

Part II: Introduction to Observational Astronomy What is Observational Astronomy? How do astronomers know the things about the universe that they claim that they know? How…

Documents Part II: Introduction to Observational Astronomy July 23, 2004.

Part II: Introduction to Observational Astronomy July 23, 2004 What is Observational Astronomy? How do astronomers know the things about the universe that they claim that…