66 ⟶ Halley's Comet Visible
Halley's Comet is visible.
Year
-240
66
1910
1986
2020
☄️ Chinese Observation of Halley's Comet
On May 15, Chinese mathematicians observed and recorded the passage of the Halley's Comet.⟶
AstronomyCometsObservationMathematicsCelestial BodiesZhou Dynasty
China☄️ Halley's Comet Visible
Halley's Comet is visible.⟶
AstronomyCometsCelestial EventsNatural PhenomenaRoman EmpireEarly Science
☄️ Halley's Comet Returns, Sparking Widespread Public Interest
☄️ Halley's Comet Returns
March: Return of Halley's Comet.⟶
AstronomyCometsSpace ExplorationScientific ObservationPopular Culture
🔭 Jupiter and Saturn's Closest Conjunction Since 1623
December 21: A great conjunction of Jupiter and Saturn occurs, with the two planets separated in the sky by 0.1 degrees. This is the closest conjunction between the two planets since 1623.⟶
AstronomyPlanetsCelestial EventsSpaceObservational AstronomyScientific Observation