5 June 1989
Neptune Observation Campaign Begins
Voyager 2 begins sustained approach observations of Neptune from tens of millions of miles away.
Historical place archive
Browse historical events and people recorded at Neptune in United States of America. The records below are rendered directly from the World History Database into this page's initial HTML.
Voyager 2 begins sustained approach observations of Neptune from tens of millions of miles away.
Identifies the large inner moon later named Proteus in Voyager 2 images and confirms its orbit.
Voyager 2 images reveal the Earth-sized Great Dark Spot in Neptune's atmosphere.
Voyager measurements reveal some of the fastest atmospheric winds known in the Solar System.
Voyager observations resolve concentrated bright arcs embedded within Neptune's Adams ring.
Voyager 2 obtains the first detailed spacecraft images showing Neptune's system of dark rings.
Voyager 2 observations reveal six previously unknown moons in the inner Neptune system.
Helps interpret Voyager 2 science results from the Neptune encounter.
Leads imaging observations of Neptune, its storms and rings.
Voyager 2 magnetometer data show Neptune's magnetic field is strongly tilted and offset from the planet.
Measures Neptune's tilted magnetic field during the Voyager 2 encounter.
Voyager 2 makes the first and only spacecraft flyby of Neptune.
Provenance
These entries are generated from stored World History Database records whose country and place fields match United States of America and Neptune. Names, dates, event labels and descriptions are reviewed and normalised as the database develops. Historical place names may not match modern administrative boundaries.
This database is a research index. For formal scholarly citation, verify individual claims against appropriate primary, archival, academic or specialist sources.