Astr 501 | Lecture 5 | Spring 2013
Wilhelm Wien
Astronomy 501
Lecture 5, Jan 25 Spring 2013 Max Karl Ernst Ludwig Planck
Lecture Notes: pdf file

Blackbody Radiation

Radiation Thermodynamics

  • energy density
  • pressure

The Planck Spectrum

Kirchhoff's Law

 CMB frequency spectrum, from FIRAS instrument on COBE

Lecture Archive

Brian D. Fields
Last modified: Wed Jan 23 17:59:04 CST 2013