The constituents of the atmosphere that absorb most strongly at infrared wavelengths, limiting our ability to observe astronomical infrared objects from the surface of Earth, is (are):

Question

Quizplus · Accepted Answer

Water vapor is the main constituent of the atmosphere that absorbs infrared radiation, particularly in the wavelength range of 5-8 microns. This limits ground-based observations of infrared objects as the atmosphere will absorb much of the signal before it reaches the telescope.

The Constituents of the Atmosphere That Absorb Most Strongly at Infrared