Option D Worksheets Option D Powerpoints
Measuring the Universe
Stellar Sequence Song A song to remember the stellar sequence by, courtesy Dr. Paul Shuch
14-Year Time Lapse Photo of Expanding Cosmic Jet
Star Size Comparison
Star/Galaxy Size Comparison
Orbit Simulator
Future of Earth
Microwave Map and the Inflationary Model
General Relativity Passes Another Test!
Stellar Resonance