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Printed star map of Su Song (1020–1101) showing the south polar projection. The astronomy of East Asia began in China. Solar term was completed in Warring States period. The knowledge of Chinese astronomy was introduced into East Asia. Astronomy in China has a long history.
1887 – Paris conference institutes Carte du Ciel project to map entire sky to 14th magnitude photographically; 1888 – First light of 91cm refracting telescope at Lick Observatory, on Mount Hamilton near San Jose, California; 1889 – Astronomical Society of the Pacific founded; 1890 – Albert A. Michelson proposes the stellar interferometer
They are the first evidence of the center of the Milky Way, and the firsts experiences that founded the discipline of radio astronomy. 1933 – Edward Milne names and formalizes the cosmological principle. 1933 – Fritz Zwicky shows that the Coma cluster of galaxies contains large amounts of dark matter. This result agrees with modern ...
By historical astronomy we include the history of astronomy; what has come to be known as archaeoastronomy; and the application of historical records to modern astrophysical problems." Historical and ancient observations are used to track theoretically long term trends, such as eclipse patterns and the velocity of nebular clouds.
This is a list of sites where claims for the use of archaeoastronomy have been made, sorted by country.. The International Council on Monuments and Sites (ICOMOS) and the International Astronomical Union (IAU) jointly published a thematic study on heritage sites of astronomy and archaeoastronomy to be used as a guide to UNESCO in its evaluation of the cultural importance of archaeoastronomical ...
The Astronomical Almanac [1] is an almanac published by the United Kingdom Hydrographic Office; it also includes data supplied by many scientists from around the world.On page vii, the listed major contributors to its various Sections are: H.M Nautical Almanac Office, United Kingdom Hydrographic Office; the Nautical Almanac Office, United States Naval Observatory; the Jet Propulsion Laboratory ...
The Cosmic Background Explorer satellite produces a detailed map of the background radiation remaining from the Big Bang. The map shows "ripples", caused by slight variations in the density of the early universe – the seeds of galaxies and galaxy clusters. The 10-meter Keck telescope on Mauna Kea, Hawaii, is completed. The first revolutionary ...
Halley's map of the path of the Solar eclipse of 3 May 1715 across England. 1704 – John Locke enters the term "Solar System" in the English language, when he used it to refer to the Sun, planets, and comets as a whole. [101] 1705 – Edmond Halley publicly predicts the periodicity of the comet of 1682 and computes its expected path of return ...