Astronomy midterm handout: atmosphere transparency, H-R diagram

Astronomy 210 Midterm 2 cover sheet v.08.07.10, fall semester 2012
Cuesta College, San Luis Obispo, CA

Diagrams showing the transparency of Earth's atmosphere to different electromagnetic radiation wavelengths, and a Hertzsprung-Russell diagram of star luminosities/absolute visual magnitudes versus surface temperature/spectral types, and showing relative sizes compared to the sun.