Homework Keys

(Each of these keys will become available shortly after its submission deadline.)

Unit #1
The Sky and
Basic Astrophysics

Unit #2
The Solar System

Unit #3
The Stars

Unit #4
Galaxies and the Universe

Unit #5
Extraterrestrial Life
Homework #1 Homework #7 Homework #16 Homework #23 Homework #28
Homework #A Homework #8 Homework #17 Homework #24  
Homework #2 Homework #9 Homework #18 Homework #25  
Homework #3 Homework #10 Homework #19 Homework #26  
Homework #4 Homework #11 Homework #20 Homework #27  
Homework #5 Homework #12 Homework #21    
Homework #6 Homework #13 Homework #22    
  Homework #14      
  Homework #15      

Note to Graders:  The due date for Homework Assignment #23 is postponed until Monday, April 7;  the deadline for HW #24 is Wednesday, April 9; assignment #25 is due on Friday, April 11.  Homework #26 and #28 are due on Monday, April 14.  Assignment #27 is cancelled, however students may also submit it on Monday, April 14 for extra credit.  The Monday, April 14, submission deadline is 12 pm, not 9 am.