If "Seven GVS@75.128.141.212" is black then why is he using the word "nigga" which is supposed to be one , of the most , offensive things you can call a black person ?
It is entirely free floating. You can make it spin in any direction. The water only lubricates and supports it. It is a nice demonstration of mass versus weight. Not shown is another small kugel of the moon, at scale size and distance. Kugel is German for ball.