This Snapshot of Coastal Processes in Australia is Lovely and Surreal

This striking image isn't a piece of watercolour abstract art. It's an estuary in Western Australia and a gorgeous example of utility of data beyond the visible spectrum. By combining wavelengths from deep blue through infrared, this Landsat image can be used to asses coastal processes and vegetative health. » 7/11/14 1:50pm 7/11/14 1:50pm

The Ten Most Important Satellites Orbiting Earth Now

Today, a satellite was involved in your life. Whether you checked a weather report, watched SportsCenter or looked for your mom's house on Google Maps, you did something that would have been impossible without an automated spacecraft orbiting hundreds of miles above your head. But how many of these satellites do you… » 5/19/08 8:00am 5/19/08 8:00am