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.