Earth Science-scientists/famous Astronomers

22 Questions  I  By Caraj
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Earth Science Quizzes & Trivia

  
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1.  Keplers 2nd law of planetary motion states: 
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B.
C.
2.  According to........, every body in the universe attracts every other body with a force that is directly proportional to their masses and inversely proportional to the square of the distance between their mass ( law of gravitation) 
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B.
C.
3.  And AU is NOT equal to...
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B.
C.
4.  What did galileo NOT discover...
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B.
C.
5.  The greater the mass of the object....
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B.
C.
6.  Who spent 20 years plotting the planets
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B.
C.
7.  True or false: the orbit of mars and other planets are ellipses, not circles
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B.
8.  As mars moves away from the sun it...and when it moves toward the sun it....
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B.
C.
9.  Galileos most important contributions were...
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B.
C.
10.  Who discovered the three laws of planetary motion, plus had a strong mathematical mind
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B.
C.
11.  Who proposed the model of the solar system with the sun at the center
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B.
C.
12.  who discovered earth was a planet
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B.
C.
13.  Who first used a telescope
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B.
C.
14.  What is a sunspot, who discovered it? 
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B.
C.
15.  Who calculated that the earth and the sun, but were too small
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B.
C.
16.  True or false: the moon surface is smooth
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B.
17.  the plotemic system was..
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B.
C.
18.  Who created the law of universal gravitation
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B.
C.
19.  The force of gravity acting upon an object is...
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C.
20.  True or false: a moving object will continue to move at a constant speed and in a straight line with gravity is called inertia
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B.
21.  Keplers third law states that the square length of time it takes a planet to orbit the sun is proportional to the cube of its mean distance from the...
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B.
C.
22.  Who made most of mars obervations, plus were more precise then before
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B.
C.
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