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22.1 and 22.2 Intro to Astronomy

Across
The Earth was the center of the universe
Laws of universal gravitation
The motion of an eastward movement that appears to stop, move west then resumes its original eastward movement
The month that the Earth is closest to the sun
An astronomical unit expressed in millions of miles (2)
This is when the sun is at its highest in the sky
This is the farthest distrance of the moon to Earth
The time it takes the Earth to make one rotation in respect to a star other than our sun (2)
A change in the amount of the moon that appears lit
Motion of the Earth's axis as it traces out a circle in the sky
The point where the Earth and moon are closest to us
Thought the Earth was round because curved shadows were cast
The motion of a planet or a moon along its orbit somewhere around some point in space
Propsed that the sun was in the middle of the universe
Earth moves the fastest when it is __________ to the sun
This is the term used when the Earth is closest to the sun
Down
The direction of the sun changes about one of these per day.
The month when the Earth is closest to the sun
In sideral time noon occurs about this many minutes less per day
Discover 3 laws of planetary motion
The study of the universe
The path of an object that goes areound another object in space
The time interval from one noon to the next(2)
Half of the moon is ________ at all
Therotation and the revolution of the moon is ____ and 1/3 days. (2)
The difference in degrees Celsius from the moon's day side and its night time(2)
The spinning or turning of a body on its axis
An oval -shaped path
The phase of the moon that is directly between the sun and the Earth
The term used when we refer to the Earth is closest to the sun in its orbit
Slight movement over 26,000 years
Our new North Star in about 13,000 years
The phase of the moon that has the Earth between the sun and the moon
The moon's rotation and revolution around the Earth is about the _____.