Aerial photo of rural land that approaches the Susquehanna River
Rural land on the west side of the lower Susquehanna River is seen in Darlington, Maryland. (Photo by Will Parson/Chesapeake Bay Program with aerial support by Southwings)
Graphic showing the electromagnetic spectrum.
Diagram of the Electromagnetic Spectrum with the visible portion of the spectrum highlighted. The acronyms UV and IR stand for Ultraviolet and Infrared, respectively. (Courtesy of NOAA Digital Coast Project.)

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