Rare images show Mercury passing in front of the Sun in what's known as a transit. Observed by NASA's Solar Dynamics Observatory, this event only occurs approximately 13 times in an entire century and is unlikely to occur again until 2032.
Arab News
Rare images show Mercury passing in front of the Sun in what's known as a transit. Observed by NASA's Solar Dynamics Observatory, this event only occurs approximately 13 times in an entire century and is unlikely to occur again until 2032.