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Edmond Halley FRS (/ˈɛdmənd ˈhɔːlɪ/; 8 November 1656 – 14 January 1742) was an English astronomer, geophysicist, mathematician, meteorologist, and physicist.

Halley was born in Haggerston, Shoreditch, England, the son of a wealthy soapboiler. As a child, Halley was very interested in mathematics. He studied at St Paul's School, and then, from 1673, at The Queen's College, Oxford. While an undergraduate, Halley published papers on the solar system and sunspots.

On leaving Oxford, in 1676, Halley visited the south Atlantic island of St. Helena and set up an observatory with a 24 foot long aerial telescope with the intention of studying stars from the Southern Hemisphere. He returned to England in November 1678. In the following year he went to Danzig (Gdańsk) on behalf of the Royal Society to help resolve a dispute. Because astronomer Johannes Hevelius did not use a telescope, his observations had been questioned by Robert Hooke. Halley stayed with Hevelius and he observed and verified the quality of Hevelius' observations. The same year, Halley published Catalogus Stellarum Australium which included details of 341 southern stars. These additions to present-day star maps earned him comparison with Tycho Brahe. Halley was awarded his M.A. degree at Oxford and elected as a Fellow of the Royal Society.

This article is licensed under the GNU Free Documentation License.
It uses material from the Wikipedia article "Edmond Halley."
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