Change the time flow rate to 1 day (solar day). note the position of the moon and the background stars and click the step time forward button to advance time by 1 solar day. then change the time flow rate to 1 sidereal d. (sidereal day) and watch the moon and stars in the view when you click the step time forward button again, this time to advance time by 1 sidereal day. repeat these steps to decide which of the following statements is not correct. a in 1 sidereal day, the background stars do not appear to move but the moon does. b in a 1 day time step, the background stars and the moon both move. c looking at the time display, a sidereal day is shorter than a normal 'solar' day by about 4 minutes. d in 1 day, the stars and the moon both appear to move in the same direction.