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Author Question: Shapley found the Sun is located about half way out the disc from the center of the disk of the ... (Read 65 times)

HudsonKB16

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on: Jul 27, 2018
Shapley found the Sun is located about half way out the disc from the center of the disk of the Galaxy.
 
  Indicate whether the statement is true or false

Question 2

Henrietta Leavitt first showed the relationship between the mass and luminosity of Cepheids and their period of pulsation; the brighter, the longer this period.
 
  Indicate whether the statement is true or false


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diana chang

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

TRUE

Answer to Question 2

TRUE


HudsonKB16

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Reply 2 on: Jul 27, 2018
Excellent

mjenn52

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Reply 3 on: Yesterday
Gracias!

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