A NASA Space Sleuth Hunts the Trail of Earth Water

This vertical profile view from the Tropospheric Emission Spectrometer TES instrument on NASA Aura satellite depicts the distribution of water vapor molecules over Earth tropics across one transect of the satellite orbit on January 6, 2006.

This vertical profile view from the Tropospheric Emission Spectrometer TES instrument on NASA Aura satellite depicts the distribution of water vapor molecules over Earth tropics across one transect of the satellite orbit on January 6, 2006.