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Author Question: Imagine another solar system, with a star of the same mass as the Sun. Suppose a planet with a mass ... (Read 145 times)

magmichele12

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on: Jul 27, 2018
Imagine another solar system, with a star of the same mass as the Sun. Suppose a planet with a mass twice that of Earth (2MEarth) orbits at a distance of 1 AU from the star. What is the orbital period of this planet?
 
  A) 2 years
  B) 1 year
  C) 6 months
  D) It cannot be determined from the information given.

Question 2

Suppose that the Sun shrank in size but that its mass remained the same. What would happen to the orbit of the Earth?
 
  A) Earth's orbit would expand, and it would take more than one year to orbit the Sun.
  B) The size of Earth's orbit would shrink, and it would take less than one year to orbit the Sun.
  C) Earth's orbit would be unaffected.
  D) Earth would change from a bound orbit to an unbound orbit and fly off into interstellar space.


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courtney_bruh

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

C


magmichele12

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


courtney_bruh

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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