How can we help?

You can also find more resources in our Help Center.

13 terms

Earth and the Moon.

STUDY
PLAY
Telescope
To glass lenses in a long wooden tube.
Crater
Large round pits on the moon.
Phase
The different shapes of the moon you see from Earth.
Eclipse
When the moons shadow hits Earth or Earth's shadow hits the moon.
Tide
The rise and fall of the oceans water every 12.5 hours or so.
Astronomy
The study of the moon stars and other objects in space.
Axis
the imaginary line that passes through the Earth's center and the north and south poles.
Revolution
The movement of one object around another object.
Rotation
The motion of an object around an internal axis.
Orbit
The patch of an object as it revolves around another object in space.
Solstice
Each of the two days of the year when the noon sun is farther north or south of the equator.
Equinox
Each of the two days of the year when neither hemisphere is tilted toward or away from the sun.
Maria
A surface on the moon which has dark flat areas. Marie mean sea.