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Author Question: Irregulars typically have very few blue stars. Indicate whether the statement is true or ... (Read 8 times)

natalie2426

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on: Jul 27, 2018
Irregulars typically have very few blue stars.
 
  Indicate whether the statement is true or false

Question 2

Consider the following statement, and explain whether or not it is sensible: Last night I saw Mars move westward through the sky in its apparent retrograde motion.
 
  What will be an ideal response?


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Tonny

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

FALSE

Answer to Question 2

This statement does not make sense because the apparent retrograde motion is noticeable only over many nights, not during a single night. (Of course, like all celestial objects, Mars moves from east to west over the course of every night.)


natalie2426

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Reply 2 on: Jul 27, 2018
Gracias!

steff9894

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Reply 3 on: Yesterday
Excellent

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