Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000eaa..booke3764.&link_type=abstract
"Encyclopedia of Astronomy and Astrophysics, Edited by Paul Murdin, article 3764. Bristol: Institute of Physics Publishing, 2001
Astronomy and Astrophysics
Astronomy
History And Archaeoastronomy, Biographies
Scientific paper
Poet, mathematician, astronomer, born in Nishapur, Persia (now Iran), to a family of Arabic tent makers (a translation of his name), an outstanding mathematician and astronomer. The Saljuq Sultan, Malikshah Jalal al-Din, appointed him to the observatory at Ray around 1074 to determine the solar calendar, as an aid to tax collection. Khayyam developed a calendar called Al-Tarikh-al-Jalali, which h...
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