Thirteen times a century, on average, Mercury passes directly between Earth and the sun, creating what astronomers call a transit. It just happened again; this video, created with images from the orbiting Solar Dynamics Observatory shows the tiny planet’s silhouette as it makes its seven-hour journey across the solar disk.
October 3, 2016 — Benjamin Meyers and Jason G. Goldman
August 19, 2016 — Benjamin Meyers and Christopher Intagliata
July 12, 2016 — Shelley Sandiford and Jason G. Goldman
July 6, 2016 — Eliene Augenbraun and George Musser
June 24, 2016 — Eliene Augenbraun and Lee Billings