Soil Moisture Active Passive (SMAP) is scheduled for launch on January 29

  The Soil Moisture Active Passive (SMAP) mission, scheduled for launch on Jan. 29, will measure the moisture in Earth’s soil with greater accuracy and higher resolution than any preceding mission, producing a global map of soil moisture every three days. Here are five quick facts about the spacecraft and what it studies. 1. Soil …

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New NASA Probe Will Study Earth’s Forests in 3-D

The Global Ecosystem Dynamics Investigation lidar will reveal the 3-D architecture of forests, as depicted in this artist’s concept. The unprecedented detail of these measurements will provide crucial information about the impact that trees have on the amount of carbon in the atmosphere. (Image Credit: NASA’s Goddard Space Flight Center) A laser-based instrument being developed for …

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