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Aryabhata ( ISO: Āryabhaṭa) or Aryabhata I [3] [4] (476–550 CE) [5] [6] was the first of the major mathematician-astronomers from the classical age of Indian mathematics and Indian astronomy. His works include the Āryabhaṭīya (which mentions that in 3600 Kali Yuga , 499 CE, he was 23 years old) [ 7 ] and the Arya- siddhanta .
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Following the Ganitapada, the next section is the "Kalakriya" or "The Reckoning of Time." In it, Aryabhata divides up days, months, and years according to the movement of celestial bodies. He divides up history astronomically; it is from this exposition that a date of AD 499 has been calculated for the compilation of the Aryabhatiya. [4]
Aryabhata was India's first satellite, [2] named after the astronomer. [3] It was launched on 19 April 1975 [ 2 ] from Kapustin Yar , a Soviet rocket launch and development site in Astrakhan Oblast using a Kosmos-3M launch vehicle.
The planetarium project was announced in 2006 by then-Chief Minister of Uttar Pradesh, Mulayam Singh Yadav.It was named the Bhimrao Ambedkar Planetarium by the Bahujan Samaj Party's Mayawati government in 2007, it was later renamed Aryabhatt Planetarium, after the Indian astronomer and mathematician Aryabhata, by the Samajwadi Party government under Akhilesh Yadav. [5]
Indian mathematics emerged and developed in the Indian subcontinent [1] from about 1200 BCE [2] until roughly the end of the 18th century CE (approximately 1800 CE). In the classical period of Indian mathematics (400 CE to 1200 CE), important contributions were made by scholars like Aryabhata, Brahmagupta, Bhaskara II, Varāhamihira, and Madhava.
Aryabhata also mentioned that reflected sunlight is the cause behind the shining of the Moon. [18] Aryabhata's followers were particularly strong in South India, where his principles of the diurnal rotation of the Earth, among others, were followed and a number of secondary works were based on them. [3]
Aryabhata II also deduced a method to calculate the cube root of a number, but his method was already given by Aryabhata I, many years earlier. Indian mathematicians were very keen to give the correct sine tables since they played a vital role to calculate the planetary positions as accurately as possible.