Answer:
approximately 14 billion years ago
Explanation:
brainliest please
Answer:
The value is
Explanation:
From the question we are told that
The first wavelength is
The first angular size is
The second wavelength is 
Generally according to Rayleigh Criterion we have that

given every other thing remains constant we have that
Here k represented constant so

=>
=> 
So

=>
Answer:
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The atmosphere creates a cover over the earth preventing us from seeing space and it’s natural color and the light that is created by the sun reflected on the ocean creates the color that the sky appears to be blue