Most of the Visible light infrared spectrum Long-wavelength observable Radio waves observable Gamma rays,X-rays and ultraviolet absorbed by radio waves from Earth, from Earth. light blocked by the upper atmosphere atmospheric blocked. (best observed from space). with some gases (best atmospheric observed distortion. from space). 100% 50% 0% 0.1nm 1nm 10nm 100nm 10 um 100um 1mm 1cm 10cm 1m 10m 100m 1km Wavelength Rough plot of Earth's atmospheric transmittance (or opacity) to various wavelengths of electromagnetic radiation, including visible light.Rough plot of Earth's atmospheric transmittance (or opacity) to various wavelengths of electromagnetic radiation, including visible light. UESTC-RSIP