“Mercury Solar Transit” was uploaded to Flickr

The planet Mercury is seen in silhouette, lower third of image, as it transits across the face of the sun Monday, May 9, 2016, as viewed from Boyertown, Pennsylvania. Mercury passes between Earth and the sun only about 13 times a century, with the previous transit taking place in 2006. via NASA ift.tt/1T6P1TE
embiggen by clicking http://flic.kr/p/GXrTLS
Mercury Solar Transit was taken on May 09, 2016 at 05:07AM