PSci 21 Elementary Astronomy - 2015 Fall
E-mail: ringwald[at]csufresno.edu 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):
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
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!
News, updated 2015 October 3:
- PSci 21 labs on October 5 and 6 are scheduled for the
I will announce in class on Monday, October 5 whether the weather is OK.
If the weather is OK:
Meet at the Range (not on campus) at 7:30-8 p.m., and do:
Lab 4, Dark-Sky Observing Lab A.
Plan to stay for two hours. Driving directions and a map to the Range are
in the back of the (lunar blue) PSci 21 Lab Manual.
If the weather is NOT OK:
Meet in the lab classrooms (McLane 258 or 264),
at the regular lab times (5:30 or 7:30 p.m.) and do:
Lab 5, The Basics of Optics and Telescopes.
Bring to all PSci 21 labs:
- The (lunar blue) PSci 21 Lab Manual,
- The Stars, by H. A. Rey,
- A scientific calculator,
- A clear plastic ruler,
- A flashlight, preferably a red light for night vision although the
PSci 21 Lab Instructors should have red plastic for converting yours,
- Important: a jacket or a coat.
- Read, by Wednesday, October 7:
Chapters 10 and 11 of Astronomy
- Mid-Term Exam 1 will be in class on Friday, October 9. It
will be an open-book, open-notes exam. It will have 50
multiple-choice questions in 45 minutes. It will cover Chapters 1-8 of
Astronomy for Beginners, Lab 1 (on Star Names, Maps, and
Constellations), and pages 9-35, 66-72, 108-121, and 127-135 of The
Stars, by H. A. Rey.
Bring to Mid-Term Exam 1:
- Number 2 pencils,
- Scientific calculators,
- Important: 882-E or 882-ES Scantron forms.
Cell phones or any other device that can communicate outside the classroom
will not be allowed during PSci 21 exams, even if used only as calculators
with the communications turned off.
Important: Do the readings, and take notes while reading in a
distraction-free environment, I guarantee it will help.
- If Kennel bookstore runs out of the (solar yellow) PSci 21 Class
or the (lunar blue) PSci 21 Lab Manuals, tell them to make
since both are copied and bound by Kennel Copy Center.
I called Kennel Copy Center on Monday (9/14). Areceli said that PSci 21
Class Notes and Lab Manuals should take 10 minutes to copy, at most,
while you wait. If anyone tells you it takes days, tell me the date and
time this happened, as well as the name of who told you this, if you can
- You can get homework help from me during my office hours
2-3, TuTh 3:30-4:30), in J-wing Room 11 of McLane Hall.
- The Learning Center can also help with the math and writing
in this course.
They are in the basement of Madden Library, and are open at:
M 9-5, Tu
10-8, W 9-4:30, Th 10-5, F 9-3.
- Free tutors from the physics department can also help with
Their schedule is:
||12:30 to 1:50 p.m.
||4:00 to 5:30 p.m.
||9:00 to 10:50 a.m.
||4:00 to 6:00 p.m.
||9:00 a.m. to Noon
Professor Ringwald's home page
Web page by Professor Ringwald (ringwald[at]csufresno.edu and
replace [at] with @)
Department of Physics,
California State University, Fresno . Please read this disclaimer.