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Author Question: What is Rayleigh scatter? How does scattering contribute to the color of the sky. What will be an ... (Read 47 times)

CharlieWard

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on: Jul 14, 2018
What is Rayleigh scatter? How does scattering contribute to the color of the sky.
 
  What will be an ideal response?

Question 2

What does albedo mean? Discuss the albedo of different surfaces including several not explicitly discussed in the textbook.
 
  What will be an ideal response?


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okolip

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Reply #1 on: Jul 14, 2018
Answer to Question 1

Rayleigh is the differential scatter of visible light due to the presence of atmospheric gases and particulates smaller than the wavelengths of most visible light. As a result, mostly light in the blue and violets wavelengths are scattered, given the sky on a clear day it's blue color.

Answer to Question 2

Albedo is the reflective quality of a surface. Lighter objects have higher albedo; darker objects have lower albedo.For instance, white sand dunes have a higher albedo than a rainforest canopy.


CharlieWard

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Reply 2 on: Jul 14, 2018
Thanks for the timely response, appreciate it

aliotak

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Reply 3 on: Yesterday
Excellent

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