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Author Question: A(n) ____________________ is used to measure the brightness and color of stars. Fill in the ... (Read 43 times)

karateprodigy

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on: Jul 27, 2018
A(n) ___________________ _ is used to measure the brightness and color of stars.
 
  Fill in the blank(s) with correct word

Question 2

Proxima Centauri has an absolute visual magnitude of 15.5 and an apparent visual magnitude of 11.0 . What is the distance to Proxima Centauri in units of pc?
 
  a. 0.1 b. 100.1
  c. 100.1 d. None of the other choices are correct.


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succesfull

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

photometer

Answer to Question 2

b


karateprodigy

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Reply #2 on: Jul 27, 2018
TY


succesfull

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


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