15 events with tag "astronomy"
2500 BC
ID: 2618
Stonehenge sarsen circle erected - massive stones arranged with astronomical alignments, purpose unknown
ID: 2618
763 BC
ID: 4635
June 15, 763 BC
Solar eclipse at Nineveh - recorded in Assyrian eponym lists, used to date ancient Near Eastern chronology
ID: 4635
432 BC
ID: 274
Meton discovers 19-year lunar cycle - reconciles solar and lunar calendars
ID: 274
350 BC
ID: 320
Aristotle proposes geocentric cosmos - crystalline spheres, four elements, quinta essentia
ID: 320
1543
ID: 3545
Copernicus's 'De Revolutionibus' published - 'Mathematics is written for mathematicians' - Earth displaced from center - Luther calls Copernicus 'fool who wishes to reverse the entire science of astronomy'
ID: 3545
1679
ID: 3430
Halley applies gravitational mathematics to calculate precise positions of southern hemisphere stars in his star catalog
ID: 3430
1705
ID: 454
Edmund Halley uses Newton's gravitational theory to predict return of Halley's Comet, demonstrating mathematical laws can predict future
ID: 454
1752
ID: 545
Tobias Mayer applies Euler's analysis to create accurate lunar tables for navigation
ID: 545
1757
ID: 553
Alexis Clairaut uses perturbation theory to predict Halley's Comet return 618 days late
ID: 553
1758
ID: 554
Halley's Comet returns exactly as Clairaut predicted, validating mathematical astronomy
ID: 554
1781
ID: 610
William Herschel discovers Uranus using mathematical predictions - first planet found by calculation
ID: 610
1786
ID: 622
Caroline Herschel becomes first woman to discover comet using mathematical orbital calculations
ID: 622
1801
ID: 677
Piazzi discovers Ceres; Gauss calculates orbit from minimal data, successfully predicts location
ID: 677
1929
ID: 1360
Edwin Hubble discovers expanding universe using mathematical analysis of redshift data
ID: 1360
2019
ID: 3323
First image of black hole captured using mathematical signal processing - Event Horizon Telescope
ID: 3323