Mercury will be seen through telescopes as a black dot inching over the face of our star, providing a celestial spectacle that will last seven and a half hours. 📷: LEON NEAL/AFP/Getty Images
Skywatchers Witness Rare Sight as Mercury…
See the pics from one of the highlights of the skywatchers’ year, when the Sun, Mercury and Earth all line up — a phenomenon that happens just a dozen or so times per century. Photo: LEON NEAL/AFP/Getty Images
as the light goes in 