Do the constellations visible in the sky at a particular time of night (say 9 P.M.) follow a seasonal pattern?
a. No, the same constellations are visible at 9 P.M. on any clear night of the year.
b. No. As the year progresses, the constellations visible at 9 P.M. are the same but their shapes change.
c. Yes, at 9 P.M. during a clear winter night ALL of the constellations you can see are different from the ones that appear at the same time during a summer night.
d. Yes, at 9 P.M. during a summer night most of the constellations you can see are different from those you can see on a winter night. However, there are some constellations that are visible all year long.
d
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