1992First Exoplanets Discovered

Aleksander Wolszczan and Dale Frail observe the first pulsar...
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1978
1989
1992
2004
2005

🪐 Charon, Pluto's Moon, Discovered

June 22: Discovery of Pluto's moon Charon.
Charon, Pluto's Moon, Discovered (1978)
AstronomySpace ExplorationPlanetary ScienceKuiper BeltSolar SystemCelestial BodiesDiscovery
United StatesUnited States

🪐 Voyager 2's Closest Approach to Neptune and Triton

August 25: Voyager 2 makes its closest approach to Neptune and its largest moon, Triton.
Voyager 2's Closest Approach to Neptune and Triton (1989)
Space ExplorationVoyager ProgramPlanetary ScienceAstronomySpacecraftNASASolar System
United StatesUnited States

🪐 First Exoplanets Discovered

Aleksander Wolszczan and Dale Frail observe the first pulsar planets (this was the first confirmed discovery of planets outside the Solar System)
First Exoplanets Discovered (1992)
AstronomyAstrophysicsExoplanetsPlanetary ScienceSolar SystemSpace Exploration
United StatesUnited StatesPolandPoland

🪐 First Surface Images of Titan

First surface images of Saturn's moon Titan.
First Surface Images of Titan (2004)
Space ExplorationAstronomyPlanetary ScienceExploration
United StatesUnited States

🪐 Dwarf Planet Eris Discovered

July 29: Michael E. Brown confirms the discovery of the dwarf planet Eris.
Dwarf Planet Eris Discovered (2005)
AstronomyPlanetary ScienceSolar SystemSpace ExplorationKuiper Belt
United StatesUnited States