image: Located immediately east of Phoenix, Ariz., Gilbert is silver in the natural color image shown above. The infrared image reveals more landscape features. The city is purple. Going east, tan bare earth gradually gives way to various shades of green representing different types of vegetation. LDCM acquired this image on Mar. 31, 2013. FULL STORY: http://www.nasa.gov/mission_pages/landsat/news/ldcm-birthplaces.html Credit: NASA view more
Credit: NASA/USGS