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Tuesday, July 29, 2014

NASA's SDO Observes a Lunar Transit 07-28

NASA's SDO Observes a Lunar Transit

By blending different SDO wavelengths, we can get an enhanced image of the sun.
By bl

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This animated gif shows the path of the moon across the Solar Dynamics Observatory's field of view for this lunar transit.
This animated gif shows the path of the moon across the Solar Dynamics Observatory's field of view for this lunar transit.

Image Credit: 
NASA/SDO team
On July 26, 2014, from 10:57 a.m. to 11:42 a.m. EDT, the moon crossed between NASA’s Solar Dynamics Observatory and the sun, a phenomenon called a lunar transit. This happens approximately twice a year, causing a partial solar eclipse that can only be seen from SDO's point of view. Images of the eclipse show a crisp lunar horizon, because the moon has no atmosphere that would distort light.