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Author Question: Which of the following statements about a globular cluster is true? A) All stars in the cluster ... (Read 80 times)

jhjkgdfhk

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on: Jul 27, 2018
Which of the following statements about a globular cluster is true?
 
  A) All stars in the cluster are approximately at the same stage in evolution.
  B) Most of the stars in the cluster are younger than 10 billion years old.
  C) Most stars in the cluster are yellow or reddish in color.
  D) All stars in the cluster have approximately the same mass.
  E) There is an approximately equal number of all types of stars in the cluster.

Question 2

A neon light (thin hot neon gas in a sealed tube) gives us
 
  A) a continuous spectrum, since the neon is hot enough to glow.
  B) a few bright emission lines, telling us the gas is neon.
  C) a continuum, with dark lines identifying the neon atoms that are present.
  D) a lot of random bright red lines due to the motion of the hot atoms.
  E) nothing visible to us, but a lot of infrared lines as heat.


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Alyson.hiatt@yahoo.com

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

C

Answer to Question 2

B


jhjkgdfhk

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Reply 2 on: Jul 27, 2018
Gracias!

milbourne11

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

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