Hyperion Irregular Shape
Voyager imagery establishes Hyperion's strongly irregular shape and heavily cratered appearance.
Historical biography archive · Updated 2026-11-03
Richard J. Terrile Biography and Timeline
Follow Richard J. Terrile through 5 dated historical records for United States of America.
Richard J. Terrile, historical timeline
A chronological timeline drawn from matching World History Database records.
5Distinct records
1 of 1Page
1980–1981Years on this page
1980
Iapetus Two-Tone Surface
Voyager observations emphasise the dramatic brightness contrast between Iapetus's hemispheres.
1981
Saturn Ring Structure
Uses Voyager 2 imagery to examine fine structure in Saturn's rings.
Role range: 1977-1989
Saturn Ringlet Fine Structure
Voyager 2 imagery resolves numerous narrow ringlets and changing structures within Saturn's rings.
Phoebe Close Imaging
Voyager 2 obtains the mission's first useful close spacecraft views of distant Phoebe.
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.