Name: ___________


  1.  Were you able to log into the homework system?

         A.  Yes
         B.  No (but I'll try again later)



  2.  Which of the following distances is larger?

         A.  one light year
         B.  one parsec



  3.  Which of the following stars appears brightest?

         A.  a star with apparent magnitude V = 1
         B.  a star with apparent magnitude V = 2
         C.  a star with apparent magnitude V = 3



  4.  The wavelength of an X-ray photon is roughly

         A.  5000    nm
         B.    50    nm
         C.     0.5  nm