Astrophysics II

A gravitational mirage. Four separate bluish white images of the quasar HE0230-2130 are seen. The two fuzzy reddish objects are the galaxies that cause the mirage. Image taken with the Baade 6.5-m telescope. (Image courtesy of Professor Scott Burles. Used with permission.)


MIT Course Number


As Taught In

Fall 2004



Cite This Course

Course Description

Course Features

Course Description

This is the second course in a two-semester sequence on astrophysics. Topics include galactic dynamics, groups and clusters on galaxies, phenomenological cosmology, Newtonian cosmology, Roberston-Walker models, and galaxy formation.

Related Content

Paul Schechter. 8.902 Astrophysics II, Fall 2004. (Massachusetts Institute of Technology: MIT OpenCourseWare), (Accessed). License: Creative Commons BY-NC-SA

For more information about using these materials and the Creative Commons license, see our Terms of Use.