Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:astronomer
|
| gptkbp:cause |
maximum solar heating at the point of incidence
|
| gptkbp:defines |
The condition when the Sun's rays strike the Earth's surface at a 90-degree angle
|
| gptkbp:doesNotOccur |
outside the tropics
|
| gptkbp:maximumOccursAt |
gptkb:Equator
gptkb:Tropic_of_Cancer gptkb:Tropic_of_Capricorn |
| gptkbp:occurredIn |
subsolar point
|
| gptkbp:relatedTo |
gptkb:tropics
equinox solstice zenith solar declination |
| gptkbp:usedIn |
gptkb:astronomy
geography climatology |
| gptkbp:bfsParent |
gptkb:Tran_Anh_Hung
gptkb:Tran_Nu_Yen-Khe |
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
The Vertical Ray of the Sun
|