15. Answer briefly II

NoYes, the stars may or may not movedoes not movemove in the sky.

 

Stars appears to rise in the east in the eveningeast in the morningwest in the early morning and sets in the east in the eveningwest in the early morningwest in the morning. It is due to the axisrevolutionrotation of the Earth, which is from north to southwest to easteast to west. This is the reason why the stars appear to move from east to west.