fulcrum
A broom is a lever. Your hands are the pivot point around which the broom spins.
The centre of our Galaxy.
The moon spins around the earth once a month. The earth spins around the sun once a year and the earth spins on it axis once a day giving rise to night and day. So in answer to your question the earth spins around the sun and the moon spins around the earth.
A planetary axis is the imaginary line or pole through the center of the planet which defines the point around which the planet rotates, or spins.
it spins on its axis
Earth spins around its axis? Which is the line between the north and south pole.
the sun and the moon
Partials
electrons
it spins us around are planet
"electrons"
The imaginary line between the poles of the Earth around which the Earth spins is called the "axis of rotation".