# Pytheas

> ancient Greek explorer

**Wikidata**: [Q189971](https://www.wikidata.org/wiki/Q189971)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pytheas)  
**Source**: https://4ort.xyz/entity/pytheas

## Summary
Pytheas was an ancient Greek explorer and astronomer from Massilia (modern-day Marseille). He is known for his extensive voyages across the Mediterranean and Atlantic, where he documented new lands, climates, and natural phenomena, contributing to early geographical and scientific knowledge.

## Biography
- **Born**: c. 360–350 BCE (Massilia, Greece)
- **Nationality**: Greek
- **Education**: Unknown (no records of formal education)
- **Known for**: Early geographical and scientific exploration
- **Employer(s)**: None (independent explorer)
- **Field(s)**: Exploration, astronomy

## Contributions
Pytheas conducted voyages to the Atlantic Ocean, documenting new lands such as the Canary Islands, the Azores, and possibly the coast of North Africa. His observations included descriptions of the Gulf Stream, the climate of the northern regions, and the existence of a landmass to the north of the known world. These findings were later referenced by Pseudo-Aristotle in *On the Universe*.

## FAQs
- **Where did Pytheas explore?** He sailed to the Atlantic, documenting lands including the Canary Islands and the Azores.
- **What did Pytheas discover?** He observed the Gulf Stream, described northern climates, and noted the existence of a distant landmass.
- **Who recorded Pytheas's findings?** Pseudo-Aristotle compiled his observations in *On the Universe*.

## Why They Matter
Pytheas's voyages provided early evidence of the Atlantic Ocean's extent and the diversity of climates beyond the Mediterranean. His work laid groundwork for future explorers and scientists, influencing later geographical and scientific understanding.

## Notable For
- First recorded exploration of the Atlantic Ocean
- Early documentation of the Gulf Stream
- Influence on Pseudo-Aristotle's *On the Universe*

## Body
### Early Life
Pytheas was born in Massilia (modern Marseille) around 360–350 BCE. Little is known about his early life, but he is believed to have been a wealthy merchant or adventurer, enabling his extensive travels.

### Exploration
Pytheas embarked on voyages to the Atlantic, sailing beyond the Pillars of Hercules (modern Gibraltar). He documented the Canary Islands, the Azores, and possibly the coast of North Africa, noting the Gulf Stream and the climate of northern regions.

### Scientific Observations
Pytheas described the existence of a landmass to the north of the known world, suggesting the possibility of a northern continent. His observations on celestial bodies, including the sun and moon, contributed to early astronomical knowledge.

### Legacy
Pytheas's findings were later compiled by Pseudo-Aristotle in *On the Universe*, which became a key reference for medieval and Renaissance scholars. His work influenced later explorers, including the Phoenicians and the Greeks, who continued to expand geographical knowledge.

### Influence
Pytheas's voyages and observations laid the foundation for future geographical and scientific exploration. His descriptions of distant lands and natural phenomena helped shape early maps and scientific theories.

## References

1. BnF authorities
2. Virtual International Authority File
3. CiNii Research
4. Freebase Data Dumps. 2013
5. Great Russian Encyclopedia
6. Treccani's Enciclopedia on line
7. Enciclopedia Treccani. 1935
8. Encyclopædia Britannica Online
9. Czech National Authority Database
10. CERL Thesaurus
11. [LIBRIS. 2011](https://libris.kb.se/katalogisering/75knt7hr2zljktd)
12. Bibliography of the History of the Czech Lands