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symbo symbo
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Posts: 1970
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7 years ago
The main absorber in the atmosphere for infrared radiation, which impedes observations of astronomical infrared objects, is
A)   water vapor, H2O.
B)   nitrogen and oxygen (N2 and O2), the major constituents of the atmosphere.
C)   electrons and ionized atoms in the Earth's ionosphere.
D)   dust.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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papachulopapachulo
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7 years ago
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