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Author Question: How many stars can you see with your naked eye on a clear, moonless night from a dark location? ... (Read 57 times)

Hungry!

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on: Jul 27, 2018
How many stars can you see with your naked eye on a clear, moonless night from a dark location?
 
  A) fewer than a thousand
  B) a few thousand
  C) about ten thousand
  D) about a hundred thousand
  E) more than you could count in your lifetime

Question 2

A 20 solar mass star will stay on the main sequence for 10 million years, yet its iron core can exist for only a
 
  A) day.
  B) week.
  C) month.
  D) year.
  E) century.


sokh

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

B

Answer to Question 2

A


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Hungry!

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


sokh

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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