- The Earth and Moon move in a counter clockwise direction.
- The Earth needs 365 1/4 days to orbit the Sun = 1 year
- The Moon needs 28 days to orbit the Earth
It takes the Earth 24 hours to complete a rotation around the Sun = 1 day
- Earth spins on its axis while it goes around the Sun
- It takes the Earth 24 hours to complete a rotation around the Sun = 1 day
- As the Earth moves around the Sun, on two different days through the year the tilt of its axis is parallel to the Sun. These days are referred to as equinoxes. On these days, the Northern and Southern hemispheres get the same amount of sunlight (12 hours).
Eight Lunar Phases of the Moon