It travels 186,000 miles per second enabling it to move 5.88 trillion miles a year.

Today the Earth's axis __ 23.5 degrees from the plane of its orbit around the sun. But it changes.

27 ____ the Moon orbits the Earth.

The Earth's revolution takes 365.25 ___.

That extra .25 ___ is why we have to add a day to the month of February every four years

this is created by meteorites

4.22

These are small objects primarily composed of rock and/or metals moving through space.

The two moments during the year when the path of the sun in the sky is farthest north in the Northern Hemisphere or farthest of the Southern Hemisphere.

These Create Craters after it impacts the surface of another object.

It is a flat, dark plain of lower elevation on the Moon

The solstice that marks the onset of winter, at the time of the shortest day, about December 22 in the Northern Hemisphere and June 21 in the Southern Hemisphere.

The time or date at which the sun crosses the celestial equator, when day and night are of approximately equal length.

The lighter, heavily cratered regions of the Moon, which are generally several kilometers higher than the Maria.

Takes 27 Earth days.

They are controlled by the Moon.

Changes in the surface levels of the ocean water due to the gravity of the moon and sun pulling on the Earth.

Orbits around the Earth and takes 27 days, but because the Earth is also rotating, from our perspective, it appears to take the Moon 29 days to complete an orbit.

Orbits are mostly this due to their forward motion working against the sun's pull.

This is a type of motion Earth has.

The Earth makes one complete this every 24 hours.

Is simply a change in the amount of the lighted side of the moon visible from our perspective on Earth.

This is when the moon can not be seen.

During the phase the entire sunlight side of the Moon faces away from the Earth.

This is when you can see the entire moon.

During this phase all of the sunlit side of the Moon is facing the Earth.

During this phase half of the sunlit side of the Moon is visible.

During this phase more than half of the Moon's sunlit side is visible, but it is not in the full stage.

This is when the Moon appears to grow larger

This is when the Moon appears to grow smaller

Occurs when the Moon passes between the Earth and the sun and it's shadow falls on part of the Earth.

There is two types of this Eclipse.

A total one of these is when all of the Moon passes completely into the Earth's shadow.

A partial one of these is when the Moon passes partially through the Earth's shadow.