A 40 year sequence of Landsat images
showing the dry Texas panhandle near the
town of Dalhart. thumbnail: http://svs.gsfc.nasa.gov/vis/a010000/a010900/a010967/Dalhart_TX_timelapse_20120421_gal.png

Join the Pale Blue Dot Visualization Challenge and Be Part of a Brighter Future
The Pale Blue Dot Visualization Challenge—aimed at making Earth observation data accessible to everyone—has officially kicked off.