When we watch the nighttime sky, we find that:____.

a. most stars and constellations slowly rise in the east, pass overhead, and set in the west.

b. the stars and constellations remain fixed in our sky, not rising or setting in a time as short as one night because they are so far away.

c. most stars and constellations slowly rise in the west, pass overhead, and set in the east.

d. all stars and constellations pass exactly ovehead at some point during the night.