Here Is The Muslim Astronomy Expert That First Said A Year There Are 365 Days
News24xx.com - The hard work of an Iraqi scientist named Abu Abdullah Muhammad ibn Jabir ibn Sinan al-Raqqi al-Harrani al-Sabi al-Battani all humanity now knows that in a year there are 365 days, 5 hours, 46 minutes, and 24 seconds.
His high science even made a German mathematician named Christopher Clavius ??use the Al-Battani count to correct the Julian calendar quoted from republika.co.id, Friday, 18 October 2019.
After obtaining permission from Pope Gregory XIII, the calendar was changed and put into use in 1582. French astronomer La Lande said, al-Battani was one of the 20 astronomers in human history.
Through his book entitled The History of the Universe, La Lande writes, al-Battani was the most famous astronomer of his time.
His intelligence began when he was raised from a family who loved astronomy. His father was an astronomer named Jabir ibn San'an al-Battani.
After his family moved to Raqqah, the man who was born in Harran began conducting various studies.
One of his most popular works is the Kitab al-Zayj. The astronomical calendar was made around 900 AD carefully. Around the 12th century, the book was translated into Latin with the title 'De Scientia Stellarum' or 'De Motu Stellarum'.
Not only succeeded in a variety of astronomy research, Al Battani also qualified in the field of exact science. He was the first person to use sine and consinus instead of hypotenuse previously used by the Greeks.
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