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Author Question: The two outer jovian planets appear bluish in color because A) methane gas in their atmospheres ... (Read 34 times)

Chelseaamend

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on: Jul 27, 2018
The two outer jovian planets appear bluish in color because
 
  A) methane gas in their atmospheres absorbs red light well.
  B) from their distance, the Sun would appear hotter and bluer than from Earth.
  C) ammonia absorbs blue light well.
  D) dust motes in their atmospheres scatter blue well, just as in our own blue sky.
  E) hydrogen and helium are both blue in large concentrations.

Question 2

Why do population II stars contain almost nothing but hydrogen and helium?
 
  What will be an ideal response?


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dajones82

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

A

Answer to Question 2

This first generation of stars must be made of the elements produced in primordial nucleosynthesis, which had time only to turn 25 of the hydrogen into helium.


Chelseaamend

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

phuda

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Reply 3 on: Yesterday
Excellent

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