Pluto Moons15 May 2005
Hubble images reveal two faint candidate satellites near Pluto, later named Nix and Hydra.
Historical person
Hal Weaver Biography
Historical biography and chronological timeline for Hal Weaver, based on 6 World History Database records associated with United States of America.
6 records2005–20073 events0 places
Chronological biography
2005
Pluto Moons18 May 2005
A second Hubble observing epoch shows the two candidate moons moving with Pluto, strengthening the satellite interpretation.
Pluto Moons31 October 2005
NASA publicly announces Hubble's discovery of two possible additional moons orbiting Pluto.
2006
Comet 73P Breakup20 April 2006
Weaver helps lead Hubble observations showing the detailed fragmentation of Comet 73P/Schwassmann-Wachmann 3 as it approaches the Sun.
Pluto Moons22 June 2006
The International Astronomical Union approves the names Nix and Hydra for Pluto's two small moons discovered with Hubble.
2007
Comet Holmes Outburst4 November 2007
Hubble resolves fine structures in Comet 17P/Holmes after the comet suddenly brightens by nearly a millionfold.
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.