Astonishing footage of mercury’s transit across the sun
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Around 13 times every century, Mercury passes between Earth and the sun in a rare astronomical event known as a planetary transit. Mercury orbits in a plane that is tilted from Earth’s
orbit, moving above or below our line of sight of the Sun. The 2016 Mercury transit occurred on May 9th, between about 7:12 a.m. and 2:42 p.m. EDT. Transits provide a great opportunity to
study the way planets and stars move in space– information that has been used throughout the ages to better understand the Solar system, information that still helps scientists today
calibrate their instruments. (With inputs from NASA’s Goddard Space Flight Center)