25th anniversary: The discovery of the Plutonian moons Nix and Hydra, based on photographs taken...
History · Anniversaries · Thu, October 31, 2030
2005: The discovery of the Plutonian moons Nix and Hydra, based on photographs taken by the Hubble Space Telescope nearly five months prior, was announced.
Also on Oct 31, 2030
Source, method and history
- Source
- Wikipedia
- How we know
- Wikipedia "On this day" selected anniversary, 25 years (2005 to 2030).
- Recurs
- annual
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- Changes
- 2026-09-25: added to 2030-10-31