The Main Absorber in the Atmosphere for Infrared Radiation, Which

question 257

Multiple Choice

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 Earth's ionosphere.
• D) dust.

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