Via Scoop.it – Geography Education

This NASA-produced timelapse video of Landsat data shows the spatial spread of the Las Vegas metropolitan area from 1975-2010.  These are not true color images, but false color that shows the near infrared portions of the electromagnetic spectrum as red in the image.  Geospatial technologies are once again, shown as invaluable in our analysis of the urban environment.   
Via www.flickr.com