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Author Question: Why are the moons and rings of Uranus and Neptune believed to be dark? What will be an ideal ... (Read 91 times)

sdfghj

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on: Jul 27, 2018
Why are the moons and rings of Uranus and Neptune believed to be dark?
 
  What will be an ideal response?

Question 2

How does emission of long wavelength radio radiation from neutral hydrogen help us overcome the shortcomings of visible light in mapping out distant parts of our galaxy?
 
  What will be an ideal response?


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thall411

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

Radiation striking ice produces dark organic compounds rich in carbon; it also vaporizes the bright ices that still dominate Saturn's newer rings.

Answer to Question 2

It allows us to detect interstellar matter in regions where there is no light, allowing us to see what is located at all points in the galaxy, not just in the bright regions lit by hot, young stars.


sdfghj

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Reply 2 on: Jul 27, 2018
Gracias!

samiel-sayed

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Reply 3 on: Yesterday
Excellent

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