'As Earth wobbles slowly on its axis, this moves in a "Chandler Circle" with a diameter of about 1 to 70 feet'
the North Pole
THE EARTH: As Earth wobbles slowly on its axis, this moves in a Chandler Circle with a diameter of about 1 to 70 feet
As Earth wobbles slowly on its axis, this moves in a "Chandler Circle" with a diameter of about 1 to 70 feet
As Earth wobbles slowly on its axis, this moves in a "Chandler Circle" with a diameter of about 1 to 70 feet
THE EARTH
the North Pole
THE EARTH