NASA's Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) instrument collected an image over the site of the Deepwater Horizon BP oil rig disaster on May 17, 2010. Crude oil on the surface appears orange to brown. Scientists are using spectroscopic methods to analyze measurements for each point in images like this one to detail the characteristics of the oil on the surface.
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NASA Satellites and Aircraft Studied Hurricane Karl Before it Faded
Hurricane Karl made landfall near Veracruz, Mexico on Friday, Sept. 17 and moved inland over Mexico's rugged terrain, which took the punch out of the storm. As Karl was moving into Mexico, NASA aircraft and NASA satellites were gathering data from this storm that jumped from a tropical storm to a Category 3 hurricane the day before.