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Mayan astronomers discover an 18.7-year cycle in the rising and setting of the Moon.From this they created the first almanacs – tables of the movements of the Sun, Moon, and planets for the use in astrology.
1031 – Chinese astronomer and scientist Shen Kuo calculates the distance between the Earth and the Sun in his mathematical treatises. [47] [failed verification] 1054 – Chinese astronomers record the sighting of the Crab Nebula as a "guest star", and they record several other supernovae during the 10th and 11th centuries. [48]
The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
1712 — Isaac Newton and Edmond Halley publish a catalog based on data from a Royal Astronomer who left all his data under seal, the official version would not be released for another decade. [7] 1725 — Posthumous publication of John Flamsteed's Historia Coelestis Britannica; 1771 — Charles Messier publishes his first list of nebulae
This timeline of cosmological theories and discoveries is a chronological record of the development of humanity's understanding of the cosmos over the last two-plus millennia. Modern cosmological ideas follow the development of the scientific discipline of physical cosmology .
The Revival of Planetary Astronomy in Carolingian and Post-Carolingian Europe. Variorum Collected Studies Series. Vol. CS 279. Ashgate. ISBN 0-86078-868-7. Hodson, F. R., ed. (1974). The Place of Astronomy in the Ancient World: A Joint Symposium of the Royal Society and the British Academy. Oxford University Press. ISBN 0-19-725944-8.
1802 — William Hyde Wollaston observes dark lines in the solar spectrum 1814 — Joseph Fraunhofer systematically studies the dark lines in the solar spectrum 1834 — Hermann Helmholtz proposes gravitational contraction as the energy source for the Sun
This is a timeline of Solar System exploration ordering events in the exploration of the Solar System by date of spacecraft launch. It includes: It includes: All spacecraft that have left Earth orbit for the purposes of Solar System exploration (or were launched with that intention but failed), including lunar probes .
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