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An astronomical prediction
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March 14th 19, 11:07 AM posted to sci.astro.amateur
Gerald Kelleher
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An astronomical prediction
As Mercury continues its journey (in retrograde motion) it fades to such an extent that it becomes almost imperceptible from the background stars as the planet's fully illuminated side faces the Sun as it transitions from left to right in front of the Sun -
https://sohowww.nascom.nasa.gov/data...current_c3.gif
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