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Author Question: Quasars radiate most of their energy as radio emission. Indicate whether the statement is true or ... (Read 53 times)

Chelseaamend

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on: Jul 27, 2018
Quasars radiate most of their energy as radio emission.
 
  Indicate whether the statement is true or false

Question 2

Suppose a solar system has a star that is four times more massive than our Sun. If that solar system has a planet the same size as Earth, orbiting at a distance of 1 AU, what is the orbital period of the planet? Explain.
 
  What will be an ideal response?


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Natalie4ever

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

FALSE

Answer to Question 2

From Kepler's law, we see that the period depends on the inverse square root of the object masses. Thus, if we have a star four times as massive as the Sun, the period of a planet orbiting at 1 AU will be half that of the earth, or 6 months.


Chelseaamend

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Reply 2 on: Jul 27, 2018
:D TYSM

frankwu0507

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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