zenithal passage

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English

[edit]

Alternative forms

[edit]

Noun

[edit]

zenithal passage (plural zenithal passages)

  1. The passing of the sun directly overhead such that no shadows are cast by a pole sticking straight up from the ground. These conditions only occur in locations between the Tropic of Cancer and the Tropic of Capricorn.
[edit]