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Author Question: Polaris is a second magnitude star, and Phi Pegasi is about 16 times fainter than Polaris. What is ... (Read 89 times)

jc611

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on: Jul 27, 2018
Polaris is a second magnitude star, and Phi Pegasi is about 16 times fainter than Polaris. What is the approximate magnitude of Phi Pegasi?
 
  a. 18
  b. 14
  c. 3
  d. 3
  e. 5

Question 2

Star A has an apparent visual magnitude of 13.4 and star B has an apparent visual magnitude of 15.4 . Star A is ____ than star B.
 
  a. 2 times fainter
  b. 2 times brighter
  c. 6.3 times fainter
  d. 6.3 times brighter
  e. 29.8 times fainter


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verrinzo

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

e

Answer to Question 2

d


jc611

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Reply 2 on: Jul 27, 2018
Gracias!

mohan

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Reply 3 on: Yesterday
Wow, this really help

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