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Author Question: Star A has an absolute magnitude of 2.5 and star B has an apparent magnitude of 2.5, but star A is a ... (Read 107 times)

kfurse

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Star A has an absolute magnitude of 2.5 and star B has an apparent magnitude of 2.5, but star A is a main sequence star and star B is a red giant. Which statement below is correct?
 
  A) Star A appears brighter than star B, but actually star B and star A are the same brightness.
  B) Star B appears brighter than star A, but actually star B and star A are the same brightness.
  C) Star A and star B appear to have the same brightness, but actually star B is brighter than star A.
  D) Star A and star B appear to have the same brightness, but actually star A is brighter than star B.
  E) It is impossible to determine how bright these stars are or appear to be relative to one another, given the information above.

Question 2

There are 3,600 arc seconds in a degree.
 
  Indicate whether the statement is true or false



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asware1

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Answer to Question 1

E

Answer to Question 2

TRUE




kfurse

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Reply 2 on: Jul 27, 2018
Wow, this really help


Mochi

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

 

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