solar system

Revolution

It takes earth 365.25 days,or one year to revolve around the sun once

Rotation

Is the spin of an object around its axis

Equinox

occurs when earths rotation axis is tilted neither toward nor away from the sun and moon.

Solstice

When the Earth's rotation axis is tilted directly toward or away from the sun asolstice

Waxing

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

Wayning

As the lit portion of the moon becomes smaller the moon is wayning

Tides

Are the periodic rise and full of the oceans surfaces coused by the gravitation force between earth and moon

Solstice

when the Earth's rotation axis is tilted derectly toward or away from the sun a solstice.

eclipse

an eclipse is the movement of one solar system oobject into the shadow of another object.

Geo centric

Old thinking earth center of a solar system.

Helrocenter

Sun is the center we move around the sun.