You are doing an investigation to measure how constellations shift position over a year. what two things
will you need to?
a. observe a specific star or constellation.
o
b. observe the speed at which the constellations move.
o
c. locate a constellation with respect to points of the compass.
o
d. select an exact time of night to make observations of constellations.
0
e. select a specific month during which to make observations of constellations.