That is what is up!
That particular "particular" derives from
a dependable observation that things seem
to fall toward the center of gravity of the
ground we're on -- in this case, the Earth!
Many "reality" situations are as real as that!

I cannot believe my head literally makes your head go around in circles. Was that a scientific
description or a religious one, or what?

I have recently been re-ordained as a minister of the Universal Life Church. I am in favor of religious freedom and I believe
in trying to be completely honest -- first within myself and then judiciously with others.
(Information should not be thrown about carelessly; nor should disinformation be thrown about whenever it seems immediately convenient.)