A Level Physics Booklet 13A A Level Physics A Level Physics Booklet 13A Lesson Content 0% Complete 0/9 Steps Optical telescopes Non-optical telescopes Distances and magnitudes Stars as black bodies Spectral classes and the H-R diagram Steller evolution The doppler effects and red shift Quasars and exoplanets The big bang model of the universe Previous Lesson Back to Course Next Lesson
