Magellan Radar Mapping
Magellan begins its first radar mapping cycle, imaging the cloud-hidden surface of Venus at far higher resolution than previous missions.
Historical biography archive · Updated 2026-11-03
Stephen Saunders Biography and Timeline
Follow Stephen Saunders through 6 dated historical records for United States of America.
Stephen Saunders, historical timeline
A chronological timeline drawn from matching World History Database records.
6Distinct records
1 of 1Page
1990–1994Years on this page
1990
1991
Magellan Mapping Cycle
Magellan completes its first radar mapping cycle after imaging most of the Venusian surface.
1992
Magellan Global Coverage
Magellan mapping expands radar coverage to nearly the entire surface of Venus.
1993
Magellan Aerobraking
Magellan uses controlled passes through Venus's upper atmosphere to circularize its orbit in the first major planetary aerobraking experiment.
1994
Magellan Mission End
Magellan is deliberately lowered into Venus's atmosphere, ending a mission that mapped almost the entire planet by radar.
Magellan Gravity Mapping
Magellan conducts a gravity-mapping campaign that helps scientists investigate the internal structure and tectonic history of Venus.
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.