... Bad Astronomy . ... Bitesize Astronomy . ... This time, for the next few weeks, I invite you to take a look at the Universe In Motion . ... The only motions we see easily are the rising and setting of the Sun, Moon and stars, but that is a reflection of our own Earth's rotation. ... Usually, these objects are so far away that the distance itself shrinks the apparent motion, the way distant mountains hardly seem to move at all even though you may be driving past them at 100 kilometers an hour. ...