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"Google Earth Engine brings together the world's satellite imagery - trillions of scientific measurements dating back almost 40 years - and makes it available online with tools for scientists, independent researchers, and nations to mine this massive warehouse of data to detect changes, map trends and quantify differences on the Earth's surface. Applications include: detecting deforestation, classifying land cover, estimating forest biomass and carbon, and mapping the world's roadless areas."

"Check out these new features available in Google Earth 5.0: * Tours of lunar landing sites, narrated by Apollo astronauts * 3D models of rovers and landers * 360-degree photo panoramas * Rare TV footage of the Apollo missions"

Martin Burrett 26 Nov 12 05:17:49 This is an amazing map of our closest 100,000 stars. Zoom and explore our galaxy. See binary systems and exotic stars in exquisite 3D detail. Requires Google Chrome.

vitual tour of mars