Gravity causes each point on the outside of the planet to be a roughly equal distance from the gravitational centre.
A dart board because they look like concentric circles and concentric circles look like circles with a center words like swirly could describe...
they look like circles if you live in hawii
It looks like a rectangle with circles in it. Some circles may overlap, some may not.
groups of circles.
circles
they look like small circles which float around
clover mites look like small red circles and up close thay look like red Spiders.
Pluto
different
brown circles
they look like the bear track 3 little circles and 1 big one
just look at some peoples eyes, you'll find out :)