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Author Question: If a star has a parallax of 0.25, then its distance is about 13 light-years. Indicate whether the ... (Read 49 times)

formula1

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If a star has a parallax of 0.25, then its distance is about 13 light-years.
 
  Indicate whether the statement is true or false

Question 2

A Newtonian reflector needs no secondary mirror.
 
  Indicate whether the statement is true or false



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k.lashomb

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Answer to Question 1

TRUE

Answer to Question 2

FALSE




formula1

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


dyrone

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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