Solar system

Revolution

The orbit of an object around another object

Rotation

Is the spin of an orbit around its axis

Equinox

Occurs when earths rotation axis is tilted neither toward nor away from the sun

Solstice

At the two points in Earth's orbit- the June and December solstices- Earths axis points the most toward or away from the sun. Light is not distributed equally in the northern and southern hemisphere

Waxing

As the lit porsion of the moon becomes larger, the moon is waxing

Waning

As the lit porsion of the moon becomes smaller, the moon is waning

Tides

The periodic rise and fall of the oceans’ surfaces caused by the gravitational force between earth and the moon and the sun.

eclipes

Is the movement of one solar system object into the shadow of an other object

heliocentric

sun is the center, we move around the sun