He elaborated to a specified degree a number of trigonometric relations which were transmitted from India and Greco-Rome.
One of Al-Battani's best-known achievements in astronomy was the refinement of existing values for the length of the year.
He was able to correct some of Ptolemy's results and compiled new tables of the Sun and Moon, long accepted as authoritative.
Was a Danish nobleman known for his precise and widespread astronomical and planetary observations.
Was a very famous Greek mathematician.
Was a 17th century German astronomer, mathematician and astrologer and a prominent figure in the scientific revolution.
is an African-American inventor, physicist, and space scientist
Was a French mathematician and astronomer whose work was crucial to the progress of mathematical astronomy and statistics.
Was an Italian mathematician, physicist, philosopher and astronomer who played a prominent role in the Scientific Revolution.
A Persian mathematician, astronomer and geographer.
was the last pharaoh of Ancient Egypt.
A Spanish Muslim philosopher, scholar and theologian.