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Author Question: Scientific theories can never be proved true beyond all doubt. Indicate whether the statement is ... (Read 54 times)

sammy

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on: Jul 27, 2018
Scientific theories can never be proved true beyond all doubt.
 
  Indicate whether the statement is true or false

Question 2

What is a standard candle?
 
  A) an object for which we are likely to know the true luminosity
  B) an object for which we can easily measure the apparent brightness
  C) a class of objects in astronomy that all have exactly the same luminosity
  D) any star for which we know the exact apparent brightness
  E) a long, tapered candle that lights easily


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wuly

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

TRUE

Answer to Question 2

A


sammy

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Reply 2 on: Jul 27, 2018
Excellent

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Reply 3 on: Yesterday
Gracias!

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