The study of the moon, stars, and other objects in space
The spinining of Earth on its axis
The imaginary line that passes through Earth's center and the North and South pole
The movement of one object around another
A system of organizing time that defines the beginning, length, and divisions of year
The day when the sun is fartherest north or south of the equator
When the Earth is titled neither hemisphere is tilted or away from the sun/means "equal nights"
The different shapes of the moon you see from Earth
The partial blocking or total blocking of one object in space by another
When the moon passes directly between Earth and the sun, blocking sunlight from Earth
Earth blocks sunlight from reaching the moon
The rise and fall of ocean water that occurs every 12.5 hours or so
The tide with the greatest difference between consecutive low and high tides
the tide with the least difference between consecutive low and high tides
A device built to observe distant objectws by making them appear closer
Large round pitts
Chunks of rock or dust from space
Dark, flat areas on the moon's surface formed from huge ancient lava flows
The largest part of the moon's shadow that surrounds the darkest part
The darkest part of the moon's shadow
A force that attracts all objects toward each other
Law of Universal Gravitation
The scientific law that states that every object in the universe attracts every other object
The amount of matter in an object
The force of gravity
The tendency of an object to resist a change in motion
Newton's First Law of Motion
The scientific law that states that an object at rest will stay at rest and an object in motion will staty in motion with a constant speed and direction unless acted on by a force
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