1705 ⟶ Halley Calculates Comet's Orbit
Edmond Halley calculates that the comets recorded at 76-year...
Year
1609
1619
1705
1986
☄️ Halley Calculates Comet's Orbit
Edmond Halley calculates that the comets recorded at 76-year intervals from 1456 to 1682 are one and the same. He predicts that the comet will return again in 1758. When it reappears as expected, the comet is named in his honor.⟶
AstronomyHalleyCometsOrbital MechanicsPredictionCelestial MechanicsScientific CalculationScientific Revolution
United Kingdom☄️ Halley's Comet Flyby by Multiple Probes
The returning Halley's Comet is met by a fleet of five probes from the USSR, Japan, and Europe. The most ambitious is the European Space Agency's Giotto spacecraft, which flies through the comet's coma and photographs the nucleus.⟶
AstronomyCometsSpace ExplorationHalley's CometGiottoSpace Probes1980sSolar SystemCosmology
Soviet Union
Japan