solar system

revolution

The orbit of an abject around another abject.

rotation

The spin of on object around it’s axis.

equinox

occurs when the earth’s rotation axis is tilted neither toward nor away from the sun

Sistice

when the Earth’s rotation axis is titled directly toward or away from the sun

waxing

as the lit portion of the moon becomes large.

wanning

as the lit portion of the moon becomes smaller.

tide

the periodic rise and fall of the oceans surface caused by the gravitational force between Earth and the moon and the sun.

eclipse

the movement of one solar system object in to the shadow of another object

heliocentric

sun is the center we  move around it.

geocentric

old thinking Earth climber of solar system.

elliptical

the earth is not a cereal its a oval. 

Rotation

the sun appears to rise in the east and sets in the west. the earth spins an its axis.

Rotation

sunsets happens as we begin to turn away from the sun. we don’t feel the earth spin because it spins smooth never changing pleases. 

Rotation

completed in 24 hours. when one side of the world is having daytime the other is having night time. 

Rotation

sunrise happens as we begin to turn toward the sun. The earth spins at a const in the same direction. 

Revolution

The sun appears higher in the sky during summer because we are tilted closer to the sun. earth season lasts about 3 mouths. 

Revolution 

completed in a year. The earth orbits around the sun. 

Revolution

The season changes as the earth orbits around the sun. As the earth orbits, the part of the earth tilted away from the sun is having fall and winter.

Revolution

places near the equator ( the center of the earth) don’t have much change in season because those places are always close to the sun.

AU 

Astronomical unit 150 million kilometers.