Why does a total lunar eclipse not occur every time the moon is full?
A. The orbit of the moon is not a perfect circle, but is an ellipse.
B. The moon rotates such that it always keeps the same side facing Earth.
C. The orbit of the moon around Earth is tilted with respect to the orbit of Earth around the sun.
D. The direction of Earth's axis precesses over a 23,000 year cycle.
Answer:C
Why does a total lunar eclipse not occur every time the moon is full?
A. The orbit of the moon is not a perfect circle, but is an ellipse. B. The moon rotates such that it always keeps the same side facing Earth. C. The orbit of the moon around Earth is tilted with respect to the orbit of Earth around the sun. D. The direction of Earth's axis precesses over a 23,000 year cycle.