Astro 150 Spring 2005 Exam 1, version a

   1- b        11- b        21- d (also accepted a)
   2- d        12- c        22- d
   3- c        13- e        23- b
   4- e        14- b        24- e
   5- a        15- d        25- b
   6- b        16- b        26- d
   7- b        17- b        27- d
   8- e        18- b       (28- a)
   9- a        19- c        29- b
  10- e        20- e        30- e
                            31- d