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Astronomy Review
Test Description: Review for astronomy
Instructions: Answer all questions to get your test result.
1) The distance, measured in degrees, north and south of the equator is referred to as_______.
A
longitude
B
the prime merdian
C
latitude
D
poles
2) The apparent westward movement of a planet against the background of stars is called______.
A
universal gravitation
B
retrograde motion
C
revolution
D
rotation
3) The geocentric model of the universe stated that____.
A
the sun was the center of the universe
B
Earth revolved around the celestial sphere.
C
Earth was a (wanderer)
D
Earth was the center of the universe
4) What movement of earth is responsible for night and day?
A
perigee
B
rotation
C
precession
D
revolution
5) According to the third law of planetary motion, the period of revolution of a planet is related to the planet's ____.
A
gravitational attraction
B
orbital speed
C
size
D
distance to the sun
6) Which scientist discovered that Venus has phases , just like the moon?
A
Copernicus
B
Kepler
C
Galileo
D
Ptolmemy
7) What is the shape of a planet's orbit?
A
parabolic
B
irregular
C
elliptical
D
circular
8) Which law states that each planet revolves so that an imaginary line connecting it to the sun sweeps over equal areas in equal time intervals?
A
first law of planetary motion
B
law of universal gravitation
C
second law of planetary motion
D
third law of planetary motion
9) One astronomical unit (AU) averages about______.
A
93 million kilometers
B
150 million kilometers
C
39 million kilometers
D
210 million kilometers
10) A scientific idea that is well tested and widely accepted by the scientific community is called a scientific______.
A
method
B
inquiry
C
theory
D
hypothesis
*select an answer for all questions
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