Mariner 10 imagery reveals the immense Caloris impact basin and surrounding tectonic terrain on Mercury.
Historical person
James Head Biography
Historical biography and chronological timeline for James Head, based on 3 World History Database records associated with United States of America.
3 records1974–19753 events0 places
Chronological biography
1974
Caloris Basin1974
Mercury Surface1974
Mariner 10 images reveal a heavily cratered Mercury surface with ridges, scarps and extensive impact terrain.
1975
Mercury Mapping1975
Mariner 10 data provide detailed maps of roughly forty-five percent of Mercury's surface, leaving much of the planet unseen.
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.