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Astronomy Questions A+
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Chaisson, E., & McMillan, S. (2013). Astronomy: A beginner’s guide to the universe (7th ed.). Boston, MA: Pearson. 1. According to Kepler�s 1st law, the orbital shape of Earth is a perfect circle.

Answer 

True 

False 

Question 2 

1. 

The sidereal day is the time it takes the planet to return to the same position in the sky, relative to stars, as seen from the Earth. The solar day is the time it takes the Earth to complete one orbit of the Sun with respect to the stars.

Answer 

True 

False 

Question 3 

1. 

The precession of the Earth occurs because of tilted rotation axis of 23.5 degrees.

Answer 

True 

False 

Question 4 

1. 

According to Newton, the gravitational force of an object increases as the mass of that object increases.

Answer 

True 

False 

Question 5 

1. 

Moon�s sidereal month is equal to the synodic month.

Answer 

True 

False 

Question 6 

1. 

Suppose you are back in the 15th century. Everyone believes that the Sun goes around the Earth, but you know that is wrong. How can you persuade people that the Earth revolves around the Sun?



Your response should be at least 225 words in length. You are required to use at least your textbook as source material for your response. All sources used, including your textbook, must be referenced; paraphrased and quoted material must have accompanying citations.

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