transit over the Sun
Astronomical term for a planet passing across the face of the Sun as seen from Earth. Compare 太陽面通過 (たいようめんつうか), which is a more common synonym.
See also: 太陽面通過 (たいようめんつうか)
When can we next see a transit of Venus over the Sun?
日面経過の観測には、専用のフィルターが必要です。
Observing a solar transit requires a special filter.