Geller's ASTRonomy 103 Homepage
for SPRING 2020 (updates are in progress for COVID-19 response)
LATEST UPDATE: 9 May 2020


Format for Remainder of Semester in a Nutshell:


Follow me on Twitter @AstroBioProf
E-mail me here or contact me by telephone here:
703-993-1276 [Office is located in Research 1 Room 216]
NO Observing sessions for the remainder of the SPRING 2020 Semester
Watch a video about the GMU Observatory :: Learn more about the GMU Observatory here
Study Hints for Science Courses :: NO Physics and Astronomy Tutor for remainder of Spring 2020


Exam #2 -- See procedures below.

Examination #1 occured on 18 February 2020

Exam #1 grades will be found here (formula for finding your grade was announced in lecture)

Grading Policy and Textbook


21 January 2020 23 January 2020
28 January 2020 30 January 2020
4 February 2020 6 February 2020
11 February 2020 13 February 2020 - Review for Exam #1
18 February 2020 - Examination #1 took place this date 20 February 2020
25 February 2020 27 February 2020
3 March 2020 5 March 2020

9 March 2019 through 15 March 2020 > SPRING BREAK <
9 March 2019 through 15 March 2020 > SPRING BREAK <


16 March 2020 through 20 March 2020 > VIRUS EXTENDED SPRING BREAK <
16 March 2020 through 20 March 2020 > VIRUS EXTENDED SPRING BREAK <


24 March 2020 26 March 2020
31 March 2020 2 April 2020
7 April 2020 9 April 2020
14 April 2020 16 April 2020
21 April 2020 23 April 2020
28 April 2020 30 April 2020
5 May 2020 7 May 2020

Tuesday 12 May 2020


Have a great SUMMER !!!