The page uses Browser Access Keys to help with keyboard navigation. Click to learn moreSkip to Navigation

Different browsers use different keystrokes to activate accesskey shortcuts. Please reference the following list to use access keys on your system.

Alt and the accesskey, for Internet Explorer on Windows
Shift and Alt and the accesskey, for Firefox on Windows
Shift and Esc and the accesskey, for Windows or Mac
Ctrl and the accesskey, for the following browsers on a Mac: Internet Explorer 5.2, Safari 1.2, Firefox, Mozilla, Netscape 6+.

We use the following access keys on our gateway

n Skip to Navigation
k Accesskeys description
h Help
Swarthmore College    
College Bulletin - Course Catalog 
  Feb 21, 2018
College Bulletin - Course Catalog

ASTR 016. Astrophysics: Stars, ISM, and Galaxies

This is a one-semester calculus- and physics-based introduction to astrophysics as applied to stars, the interstellar medium, and galaxies. 
Prerequisite: MATH 015  and MATH 025 , and some prior work in calculus-based physics (which could include high school physics). Recommended (but not required) pre- or co-requisites are PHYS 013 ; PHYS 015 ; and/or PHYS 007  or PHYS 003 . Interested students who have not met these prerequisites should consult with the instructor.
Natural sciences and engineering.
The course includes five evening laboratories and observing sessions.
1 credit.
Fall 2017. Cohen.
Fall 2018. Staff.
Catalog chapter: Physics and Astronomy   
Department website:

Check the Spring 2018 Schedule of Courses