The absolute mistake I made was to say that the day is the time it takes the earth to spin once on its axis - that is, exactly 360 degrees of rotation as viewed from space, looking down directly over the North Pole.
(I; made; ) (The absolute mistake I made; was; to say that the day is the time) (that is, exactly 360 degrees of rotation as viewed from space; looking down; directly over the North Pole)
I The absolute mistake I made that is, exactly 360 degrees of rotation as viewed from space
made was looking down
to say that the day is the time
directly over the North Pole