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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 54 times)

formula1

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on: Jul 27, 2018
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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Reply #1 on: Jul 27, 2018
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

amandanbreshears

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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