News tagged with earth atmosphere

Image: Global cloud fraction map of Earth

Decades of satellite observations and astronaut photographs show that clouds dominate space-based views of Earth. One study based on nearly a decade of satellite data estimated that about 67 percent of Earth's surface is ...

dateMay 11, 2015 in Earth Sciences
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NASA spacecraft completes 40,000 Mars orbits

NASA's Mars Reconnaissance Orbiter passed a mission milestone of 40,000 orbits on Feb. 7, 2015, in its ninth year of returning information about the atmosphere, surface and subsurface of Mars, from equatorial to polar latitudes.

dateFeb 11, 2015 in Space Exploration
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