AN IMAGINARY LINE THAT AN OBJECT TURNS AROUND

A COMPLETE SPIN AROUND AN OBJECT

A COMPLETE SPIN AROUND ONE OBJECT TO ANOTHER OBJECT

THE DAY WHEN EARTHS ROTATION AXIS IS LEARNING ALONG ORBIT, EITHER TOWARD OR AWAY FROM THE SUN ON THIS DAY OR NIGHT

THE DAY WHEN EARTHS ROTATION AXIS IS THE MOST TOWARD OR AWAY FROM THE SUN

A FORCE WHICH TRIES TO PULL TWO OBJECTS TOWARD EACH OTHER

THE MEASUREMENT OF MATTER IN AN OBJECT