NASA’s Solar Dynamic Observatory tracked Mercury making a rare transit across the face of the Sun [on May 9th]. The last time this event happened was in 2006, and NASA predicts it will happen again in 2019.
Via CNN @ YouTube.
NASA’s Solar Dynamic Observatory tracked Mercury making a rare transit across the face of the Sun [on May 9th]. The last time this event happened was in 2006, and NASA predicts it will happen again in 2019.
Via CNN @ YouTube.