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NASA's Landsat satellites see Texas crop circles

A water-rich polka dot pattern takes over the traditional rectangular patchwork of fields in this time series animation of 40 years of Landsat images. In the dry Texas panhandle near the town of Dalhart, this transformation is due to center-pivot irrigation, a farming method that improves water distribution to fields. It was invented by farmer Frank Zybach in 1949. read more
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NASA Team Probes Earth's Plasmasphere --A Cloud-Like Barrier to Ultra-Fast Electrons

Academics / General Science : The Daily Galaxy (1 hour ago)

The Van Allen belts are a collection of charged particles, gathered in place by Earth’s magnetic field. They can wax and wane in response to incoming energy from the sun, sometimes swelling up enough to expose satellites in low-Eart... Read Post

Landsat satellites find the 'sweet spot' for crops

Academics / General Science : Science Daily (2 years ago)

Farmers are using maps created with free data from NASA and the U.S. Geological Survey's Landsat satellites that show locations that are good and not good for growing crops. Read Post

New NASA satellite takes the Salton Sea's temperature

Academics / General Science : Science Codex (2 years ago)

An image from an instrument aboard NASA's Landsat Data Continuity Mission or LDCM satellite may look like a typical black-and-white image of a dramatic landscape, but it tells a story of temperature. The dark waters of the Salton Se... Read Post

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