Choose the best answer to each of the following. Explain your reasoning. A geocentric model of the universe is (a) any model that places Earth at the centre of the universe. (b) any model that has Earth as a planet orbiting the Sun. (c) any model that places the Sun at the center of the universe.

Question

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Answer 1

Textbook Question

Chapter 3, Problem 1QQ

Choose the best answer to each of the following. Explain your reasoning.

A geocentric model of the universe is (a) any model that places Earth at the centre of the universe. (b) any model that has Earth as a planet orbiting the Sun. (c) any model that places the Sun at the center of the universe.

Expert Solution & Answer

To determine

The geocentric model.

Answer to Problem 1QQ

The correct answer is (a).

Explanation of Solution

Introduction:

Geocentric model was first created by Aristotle. Then, Ptolemy who is a Greek astronomer gives the detailed explanation about the geocentric model.

The geocentric model is developed by the ancient Greeks. Rendering to this, the earth is at the center of the universe and all the planets and Sun revolves around the Earth in a specific orbit.

Therefore, the answer is an option (a).

According to this model, the center of the universe is the Earth and the Sun and the other planets revolve around it. So, option (b) is incorrect.

Unlike in the geocentric model, in the heliocentric model, the Sun is placed at the center of the universe. So, option (c) is incorrect.

Conclusion:

Therefore, the correct answer is (a).

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Using Kepler's 3rd law solve the following problem. Show your work and highlight your answer. In a distant star system there are many inhabitable planets. One of these planets is named Qomar. Qomar is 3.2 AU's from its star and takes 6.5 Earth years to go around its star once. There is another planet in the same star system called Ferenginar. Ferenginar is 0.9 AUs from the star. What is the length of a Ferengi year (on Ferenginar) in terms of Earth years?

1. Why were the main reasons why the idea that the Earth was at the center of the universe lasted so long? 2. Discuss in 2 paragraphs the observations made by Galileo that disproved Geocentrism. Which one do you think was the most important? 3. Write down a hypothesis and observational experiment to test one of Newton’s laws of motion. EXPLAIN YOUR REASONING! 4. One of the first exoplanets discovered orbits the star 51 Pegasi with a period of just 4.2 days. 51 Pegasi is very similar to the Sun. Use Kepler’s laws to find the distance (in astronomical units) between the planet (unofficially named Bellerophon) and its star. SHOW YOUR WORK! 5. How does halving the distance between two objects affect the gravitational force between them? 6. Suppose the Sun were somehow replaced by a star with five times as much mass. What would happen to the gravitational force between the Earth and the Sun? 7. How long would the Earth year last in this last case? (hint: Newton’s version of Kepler’s 3rd…

Please show your solution and at the same time BOX the answers that corresponds to each blank on the question. Make sure to fill all the blanks. Thank you. STRICKLY FOLLOW THIS: Calculated Answers Express your answers without rounding off and without scientific notation unless instructed otherwise. Multiple Blanks Write powers or subscript as is. Ex: Use b2 if you mean b2 or b2 Spell out Greek letters. Ex: Use pi if you mean greek letter pi Write answers without spaces. Ex: Use 2epsilon0r3 if you mean 3e0r3 Write fractions with a slash. Ex: Use 1/2

Answer 2

Textbook Question

Chapter 3, Problem 1QQ

Choose the best answer to each of the following. Explain your reasoning.

A geocentric model of the universe is (a) any model that places Earth at the centre of the universe. (b) any model that has Earth as a planet orbiting the Sun. (c) any model that places the Sun at the center of the universe.

Expert Solution & Answer

To determine

The geocentric model.

Answer to Problem 1QQ

The correct answer is (a).

Explanation of Solution

Introduction:

Geocentric model was first created by Aristotle. Then, Ptolemy who is a Greek astronomer gives the detailed explanation about the geocentric model.

The geocentric model is developed by the ancient Greeks. Rendering to this, the earth is at the center of the universe and all the planets and Sun revolves around the Earth in a specific orbit.

Therefore, the answer is an option (a).

According to this model, the center of the universe is the Earth and the Sun and the other planets revolve around it. So, option (b) is incorrect.

Unlike in the geocentric model, in the heliocentric model, the Sun is placed at the center of the universe. So, option (c) is incorrect.

Conclusion:

Therefore, the correct answer is (a).

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Answer 3

Textbook Question

Chapter 3, Problem 1QQ

Choose the best answer to each of the following. Explain your reasoning.

A geocentric model of the universe is (a) any model that places Earth at the centre of the universe. (b) any model that has Earth as a planet orbiting the Sun. (c) any model that places the Sun at the center of the universe.

Expert Solution & Answer

To determine

The geocentric model.

Answer to Problem 1QQ

The correct answer is (a).

Explanation of Solution

Introduction:

Geocentric model was first created by Aristotle. Then, Ptolemy who is a Greek astronomer gives the detailed explanation about the geocentric model.

The geocentric model is developed by the ancient Greeks. Rendering to this, the earth is at the center of the universe and all the planets and Sun revolves around the Earth in a specific orbit.

Therefore, the answer is an option (a).

According to this model, the center of the universe is the Earth and the Sun and the other planets revolve around it. So, option (b) is incorrect.

Unlike in the geocentric model, in the heliocentric model, the Sun is placed at the center of the universe. So, option (c) is incorrect.

Conclusion:

Therefore, the correct answer is (a).

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Answer 4

Textbook Question

Chapter 3, Problem 1QQ

Choose the best answer to each of the following. Explain your reasoning.

A geocentric model of the universe is (a) any model that places Earth at the centre of the universe. (b) any model that has Earth as a planet orbiting the Sun. (c) any model that places the Sun at the center of the universe.

Expert Solution & Answer

To determine

The geocentric model.

Answer to Problem 1QQ

The correct answer is (a).

Explanation of Solution

Introduction:

Geocentric model was first created by Aristotle. Then, Ptolemy who is a Greek astronomer gives the detailed explanation about the geocentric model.

The geocentric model is developed by the ancient Greeks. Rendering to this, the earth is at the center of the universe and all the planets and Sun revolves around the Earth in a specific orbit.

Therefore, the answer is an option (a).

According to this model, the center of the universe is the Earth and the Sun and the other planets revolve around it. So, option (b) is incorrect.

Unlike in the geocentric model, in the heliocentric model, the Sun is placed at the center of the universe. So, option (c) is incorrect.

Conclusion:

Therefore, the correct answer is (a).

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

To determine

The geocentric model.

Answer to Problem 1QQ

The correct answer is (a).

Explanation of Solution

Introduction:

Geocentric model was first created by Aristotle. Then, Ptolemy who is a Greek astronomer gives the detailed explanation about the geocentric model.

The geocentric model is developed by the ancient Greeks. Rendering to this, the earth is at the center of the universe and all the planets and Sun revolves around the Earth in a specific orbit.

Therefore, the answer is an option (a).

According to this model, the center of the universe is the Earth and the Sun and the other planets revolve around it. So, option (b) is incorrect.

Unlike in the geocentric model, in the heliocentric model, the Sun is placed at the center of the universe. So, option (c) is incorrect.

Conclusion:

Therefore, the correct answer is (a).

Answer 8

Expert Solution & Answer

To determine

The geocentric model.

Answer to Problem 1QQ

The correct answer is (a).

Explanation of Solution

Introduction:

Geocentric model was first created by Aristotle. Then, Ptolemy who is a Greek astronomer gives the detailed explanation about the geocentric model.

The geocentric model is developed by the ancient Greeks. Rendering to this, the earth is at the center of the universe and all the planets and Sun revolves around the Earth in a specific orbit.

Therefore, the answer is an option (a).

According to this model, the center of the universe is the Earth and the Sun and the other planets revolve around it. So, option (b) is incorrect.

Unlike in the geocentric model, in the heliocentric model, the Sun is placed at the center of the universe. So, option (c) is incorrect.

Conclusion:

Therefore, the correct answer is (a).

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

To determine

The geocentric model.

Answer 12

Answer to Problem 1QQ

The correct answer is (a).

Answer 13

Explanation of Solution

Introduction:

Geocentric model was first created by Aristotle. Then, Ptolemy who is a Greek astronomer gives the detailed explanation about the geocentric model.

The geocentric model is developed by the ancient Greeks. Rendering to this, the earth is at the center of the universe and all the planets and Sun revolves around the Earth in a specific orbit.

Therefore, the answer is an option (a).

According to this model, the center of the universe is the Earth and the Sun and the other planets revolve around it. So, option (b) is incorrect.

Unlike in the geocentric model, in the heliocentric model, the Sun is placed at the center of the universe. So, option (c) is incorrect.

Conclusion:

Therefore, the correct answer is (a).