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The state of Earth observation, January 2012
Posted by Jason Davis on 2012/01/09 05:54 CST
As of November 2011, the Earth Observing Handbook counts 109 active missions to study the Earth as a planet, with 112 more approved and planned for the future. Jason Davis provides an overview of key current and upcoming earth-observing missions.
Nighttime Water Ice Clouds Predicted by Models are Confirmed by MCS Observations
Posted by Jim Shirley on 2011/10/25 12:00 CDT
A daily cycle of cloud formation in the Martian tropics during northern summer is driven largely by solar radiation and the associated solar thermal tide. Models predict a striking pattern of cloud formation above the high altitude volcanoes of the Tharsis region. At mid-day, the atmosphere is typically free of clouds due to elevated temperatures. Beginning in the early evening hours, atmospheric cooling at altitudes above 20 kilometers begins to foster water ice cloud formation. During the night, the altitude of cloud formation descends closer to the surface.
Earth observing satellites record large Arctic ozone loss
Posted by Jason Davis on 2011/10/14 06:31 CDT
Data from Earth observing satellites Aura and CALIPSO have shown record losses of seasonal ozone in the Arctic.
Earth science's next big thing
Posted by Jason Davis on 2011/09/22 11:27 CDT
Meet the next big thing in NASA's mission to study planet Earth: NPP, the NPOESS Preparatory Project satellite.
NASA thinks Earth is a planet, too
Posted by Jason Davis on 2011/08/08 11:58 CDT
Although much of the publicity NASA receives focuses on planetary exploration, Earth observing satellites like Aqua keep tabs on our home planet's weather and climate.
Posted by Bill Nye on 2011/04/22 02:30 CDT | 1 comments
The Earth is important, and sometimes we need a reminder as to just how fragile it is.
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