View of the central portion of the Whirlpool Galaxy, M51. Credit: NASA, ESA, W. Li and A. Filippenko [University of California, Berkeley], S. Beckwith [STScI], and The Hubble Heritage Team [STScI/AURA].
Motion of a Spinning Top
There are many forms and shapes of spinning tops, and they are put into motion in an interesting variety of ways. Some are spun by snap-twisting a center stem with your fingers and releasing. Others are spun using a cord. Regardless of how the tops are spun, they behave in a similar fashion.