Astronomy picture of the day [Solar Dynamics Observatory (SDO) Atmospheric Imaging 
Assembly (AIA) image at 30.4 nm]

PSci 21 Elementary Astronomy - 2015 Fall

Instructor: Professor Ringwald
E-mail: ringwald[at] and replace [at] with @
Phone: (559) 278-8426
Also: (559) 278-2371

Office: McLane 11 in the new J-wing, near the Women's Room.
Office hours (between August 25 and December 11):
MWF 2-3, TuTh 3:30-4:30 p.m.
If students need to see Professor Ringwald outside office hours, please call or e-mail first.

You don't need an appointment to come in during office hours.
This is time set aside for students, when Professor Ringwald will be in.
You can get homework help, free tutoring, or review sessions before exams, personalized just for you.

Please feel free to contact me, if you have any problems whatsoever in this course: or if you're doing well, and just want to talk about the wonders and mysteries of the Universe. It's in my interest, and I care, that you do well!

Click here for the
Course Syllabus
for the 1:00-1:50 section
Click here for the
Lab Schedule
for all sections.

Click here for the
Writing Guide
for Research Papers

News, updated 2015 November 28:

Go to Professor Ringwald's home page

Web page by Professor Ringwald (ringwald[at] and replace [at] with @)
Department of Physics, California State University, Fresno . Please read this disclaimer.