Thursday, April 14, 2005

Picture of Mount Cotopaxi from a space shuttle radar

This digital elevation model of Ecuador’s Mt. Cotopaxi volcano is so rich in detail that you can even make out an inner crater with a diameter of 120 meters by 250 meters inside the outer crater (800 meters by 650 meters).
NASA’s Shuttle Radar Topography Mission (SRTM) imaged Mt. Cotopaxi during the shuttle Endeavour’s spaceflight in February 2000. Endeavour mapped elevations on most of the Earth’s land surface during the mission. There have been more than 50 eruptions of Mt. Cotopaxi, which sits in a highly active and dangerous volcanic region of the Andes mountain chain, since 1738.
With a resolution of 25 meters by 25 meters, the blue and green areas correspond to the lowest elevations in the image, while beige, orange, red, and white represent increasing elevations.

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