Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:physical_phenomenon
|
| gptkbp:affects |
line of sight
horizon distance |
| gptkbp:causedBy |
Earth's sphericity
|
| gptkbp:demonstrates |
airplane flight paths
ship disappearing over horizon |
| gptkbp:firstMeasuredBy |
gptkb:Eratosthenes
|
| gptkbp:measures |
radius of curvature
|
| gptkbp:observableFrom |
high altitude
|
| gptkbp:quantifiedBy |
Earth's circumference
Earth's radius |
| gptkbp:relatedTo |
gptkb:Earth
|
| gptkbp:studiedIn |
gptkb:astronomy
geodesy physics |
| gptkbp:bfsParent |
gptkb:Mystery_Jets
gptkb:The_Mystery_Jets gptkb:Beneath_These_Fireworks |
| gptkbp:bfsLayer |
7
|
| http://www.w3.org/2000/01/rdf-schema#label |
Curve of the Earth
|