Islamic scholars did much study and made many theoretical postulates about the Solar System and the universe, but most were based on the Ptolemaic system which was later proven wrong by Copernicus. Thus most of their postulates have been abandoned just as were pre-Copernican Christan postulates.
A significant number of stars, such as Aldebaran and Altair, and astronomical terms such as alidade, azimuth, and almucantar, are still referred to by their Arabic names.[
Many contributions were made by Chinese and Islamic astronomers to modern day astronomy, including the trigonometric methods created to determine the precision of dates, and supernova research.
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How do they measure what?
Later polish astronomers
Astronomers label the stars within constellations according to apparent magnitude.
contribution of economic islamic writers
Islamic astronomers contributed to the edestruction of the geocentric view of the universe a iSlmamlhdiI.
Algebra. Algebra is one of their greatest contribution. :)
Islamic religion.
Many contributions were made by Chinese and Islamic astronomers to modern day astronomy, including the trigonometric methods created to determine the precision of dates, and supernova research.
Wijdan Ali has written: 'Contemporary Art from the Islamic World' 'The Arab contribution to Islamic art' -- subject(s): Arab Art, Arabs, Art, Arab, Art, Islamic, History, Islamic Art
what were the contributions of ala-ud-din khiji
They contributed to algebra, astrology and to the field of medicine. Also, major contributions to astronomy and philosophy.
Mathematics (zero invention, decimal numbering system, algebra, logarithms, ...)
The Muslim scholars formulated trade and economic rules and provided guidance in the field of trade and economics.
All astronomers are scientists.All astronomers are scientists.All astronomers are scientists.All astronomers are scientists.
Mainly astronomers. But cosmologists and astrophysicists will also be interested in outer space.