Jean Richer Biography

Historical biography and chronological timeline for Jean Richer, based on 2 World History Database records associated with France.

2 records1672–16722 events1 places

Chronological biography

1672

Earth-Sun Distance Estimate1672

Science / Astronomy · Astronomer · Cayenne

Supports an improved estimate of the distance between Earth and Sun.

Mars Parallax Expedition1672

Science / Astronomy · Astronomer · Cayenne

Observes Mars from Cayenne for comparison with measurements in France.

Titles and roles

Astronomer

Record provenance

This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.