Lecture 17 Ptolemy on the Motion of the Earth
Lecture 17 - Yale University
Lecture 17
Lecture 16…Significance of the Hertzsprung Russell Diagram
Lecture 16 - Yet More Evolution of Stars
Lecture 16
Lecture 16
Lecture 16
Lecture 15a - Sierra College Astronomy Home Page
Lecture 15: The Main Sequence
Lecture 15, PPT version
Lecture 15 Star Formation and Evolution 3/7
Lecture 15 (pdf from the powerpoint)
Lecture 15
Lecture 14: Star Formation
Lecture 14: 25-07-16
Lecture 14+15 - University of Texas Astronomy Home Page
Lecture 14 - Center for Astrophysics and Space Astronomy CASA
Lecture 14
Lecture 14
