Browsing Astronomy










51 articles found

Headword Date Article Type
Uranus discovered 1781 T Note
John Michell discusses classical bodies which have escape velocities greater than the speed of light 1783 T
First Cepheid variable star disovered by Edward Piggot 1784 T
Triton discovered by William Lassell 1846 T
Maxwell theorizes on the nature of Saturn’s rings 1856 T Note
Solar flares discovered by Richard Carrington 1859 T Note
Differential nature of solar rotation discovered by Richard Carrington 1863 T
William Huggins studies the spectrum of the Orion Nebula and shows that it is a cloud of gas 1864 T
John Herschel publishes the General Catalog of nebulae and star clusters 1864 T
William Clifford suggests that the motion of matter may be due to changes in the geometry of space 1876 T
Jeans length determined 1902 T Note
Edward Maunder plots the first sunspot ’butterfly diagram’ 1904 T
Arthur Eddington begins his statistical study of stellar motions 1906 T
Arthur Eddington develops the main-sequence mass-luminosity relationship 1924 T
Ralph Fowler uses Fermi-Dirac statistics to explain white dwarf stars 1926 T
Edward Milne names and formalizes the cosmological principle 1933 T
Dirac’s cosmological theory 1938 T Note
J.S. Hey detects solar radio waves 1942 T
Steady state cosmologies proposed 1948 T Note
Carbon-12 resonance predicted 1953 T Note

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