Satellites can easily detect what is not visible to the human eye.
Tropical Storm Muifa appears huge on NASA infrared imagery
Water isn't the only thing pouring over Niagara Falls. Pollution from fires in Ontario, Canada is also making the one thousand mile trip, while being measured by NASA's Aqua satellite.
Northeast Africa continues to reel from the effects of the worst drought to strike the region in decades. The arid conditions are contributing to famines that the U.S.
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