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SDO sees partial eclipse in space

On May 25, 2017, NASA's Solar Dynamics Observatory, or SDO, saw a partial solar eclipse in space when it caught the moon passing in front of the sun. The lunar transit lasted almost an hour, between 2:24 and 3:17 p.m. EDT, ...

dateMay 26, 2017 in Space Exploration
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The high plains aquifer: Can we make it last?

The heart of the United States is a highly productive agricultural region. This "breadbasket" underpins much of U.S. society, but it also relies almost entirely on a complex network of diminishing groundwater resources.

dateMay 23, 2017 in Environment
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