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Author Question: What is the closest thing to a binary planet we find in the solar system? Why? What will be an ... (Read 7 times)

justinmsk

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on: Jul 27, 2018
What is the closest thing to a binary planet we find in the solar system? Why?
 
  What will be an ideal response?

Question 2

Star X has an apparent magnitude of 3, and star Y has an apparent magnitude of 13. How do they compare in observed brightness?
 
  A) Star Y is 10,000 times brighter than star X. B) Star X is 10,000 times brighter than star Y.
  C) Star Y is 10 times brighter than star X. D) Star X is 10 times brighter than star Y.


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chloejackso

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

Pluto's moon Charon is half as big as Pluto, and both objects are tidally fixed to always face each other during their 6.4 day rotations.

Answer to Question 2

B


justinmsk

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Reply #2 on: Jul 27, 2018
TY


chloejackso

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Reply #3 on: Jul 27, 2018
You're welcome


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