Infrared Astronomy
In infrared astronomy, the H band refers to an atmospheric transmission window centred on 1.65 micrometres with a FWHM width of 0.35 micrometres (in the near-infrared).
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Famous quotes containing the word astronomy:
“It is noticed, that the consideration of the great periods and spaces of astronomy induces a dignity of mind, and an indifference to death.”
—Ralph Waldo Emerson (1803–1882)