The planet Mercury was visible passing across the face of the sun, as seen from earth, on May 9, 2016. The…
This is an image of the Venus transit of the sun, June 5, 2012. The planet Mercury will cross in…
This is an image of the Venus transit of the sun, June 5, 2012. The planet Mercury will cross in…
The planet Venus passes silhouetted across the face of the sun, as the sun sets behind trees in the Sierra…
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