Navigational Astronomy
Using stars, solar altitude, calendars, and geometry to estimate direction, season, and latitude during travel and sea voyages.
Core metadata
- ID: navigational_astronomy
- Era: Classical
- First known date: -500 (century)
- Region: Classical Mediterranean mariners and broader premodern celestial-navigation traditions
- Review status: source_checked
- Maturity: N/A
Prerequisites
- Early Astronomical Observation (early_astronomy_observation)
- Geometry (geometry)
- Navigation (navigation)
Dependents
- None.
Fields
- None.
Node sources
- Navigation (Encyclopaedia Britannica, 2026, textbook) • Supports: node
- Celestial navigation (Encyclopaedia Britannica, 2026, textbook) • Supports: node
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 3
- Average edge confidence: 70%
- Prerequisite sources: 3
- expert_inference: 3
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Early Astronomical Observation (early_astronomy_observation) | historical_predecessor | 75% | expert_inference | Early Astronomical Observation is an earlier historical predecessor or foundation, not a one-to-one engineering dependency. |
|
| Navigation (navigation) | enabling | 68% | expert_inference | Navigation provides a capability that enables this technology without being the only possible path. |
|
| Geometry (geometry) | enabling | 68% | expert_inference | Geometry provides a capability that enables this technology without being the only possible path. |
|
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