Publish Date: 10 May 2016 - 11:14
TEHRAN, May 10 (MNA) – NASA's Solar Dynamics Observatory (SDO) captures the rare transit of Mercury in front of the sun on May 9, 2016. This smallest and fastest planet in the solar system makes the transit between Earth and the sun about 13 times a century. The next trek will be on November 11, 2019.