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Author Question: What do all the stars in the Orion Association have in common? What will be an ideal ... (Read 32 times)

DelorasTo

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on: Jul 27, 2018
What do all the stars in the Orion Association have in common?
 
  What will be an ideal response?

Question 2

Which of these radio waves would fall in the water hole?
 
  A) 19 cm wavelength
  B) 243 cm in wavelength
  C) 15,000 cm in wavelength
  D) 150 cm in wavelength
  E) 6.563  10-5 cm in wavelength


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marict

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

Like the stars in more compact open clusters, they are all born at about the same time, at the leading edge of the spiral arms, and thus have similar compositions. They tend to be very massive, collapsing rapidly, and very luminous as well.

Answer to Question 2

A


DelorasTo

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

tranoy

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Reply 3 on: Yesterday
Excellent

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