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    "title": "Mercury In Our Sights",
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            "description": "On May 9, 2016, Mercury will pass between Earth and the sun in a rare astronomical event known as a planetary transit. Starting at 7:16 a.m. EDT, Mercury will appear as a tiny black dot against a blazing backdrop, traversing the sun’s disk over seven and a half hours. Skywatchers in Western Europe, South America, and eastern North America will be able to see the entirety of the transit. Although Mercury whips around the sun every 88 days—over four times faster than Earth—the three bodies rarely align. Because Mercury orbits in a plane 7 degrees tilted from Earth’s orbit, it usually darts above or below our line of sight to the sun. As a result, a Mercury transit happens only about 13 times a century. (The last one was in 2006, and the next one isn’t until 2019.) The views recorded by NASA’s sun-observing spacecraft during the May 9 transit will help scientists to calibrate their instruments and improve their data analysis software. Explore the images to learn more.",
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            "title": "Mercury Transit from TRACE (White Light)",
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            "description": "This is a view of the planet Mercury (a black dot) as seen by TRACE through the 1600 angstrom ultraviolet filter. Because the TRACE field-of-view is much smaller than the solar disk, the spacecraft is repointed three times during the transit (creating the position jumps of the movie).  This movie was generated from telemetry which has undergone a minimum of processing (to deliver quickly for the media) so data dropouts and other quick-processing artifacts may be visible. Special thanks to Dawn Myers of the TRACE project for this effort. || ",
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            "title": "Mercury Transit from SOHO/MDI",
            "description": "This is a view of the planet Mercury (the tiny moving black dot) as seen by the SOHO MDI.The narrow field-of-view for this camera mode necessitates the addition of black bars at the top and bottom of the frame to match HD720 resolution.This movie was generated from telemetry which has undergone a minimum of processing (to deliver quickly for the media) so data dropouts and other quick-processing artifacts may be visible. Special thanks to Steele Hill of the SOHO project for this effort. || ",
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