Teresa saw a large star outside of her window at ten o'clock last night.
if teresa looks out of her window at ten o'clock tonight, will she be able to see her star again?

a.
no, her star will be on the other side of the earth.

b.
yes, her star will have appeared to move very slightly to the east.

c.
yes, her star will have appeared to move very slightly to the west.

d.
no, her star will be on the other side of the sun.