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Collect information about biogra-phies of Bhaskaracharya II, Ptolemy or Aryabhatta. |
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Answer» Biographies of all these three astronauts are given below: Bhaskaracharya II – He was bom in 1114 AD. At the age of 36, he wrote a book named ‘Siddhanta Shiromani’. Apart from this, he wrote eight books on grammar, six books on medicine, six books on yoga, five books on mathematics, two books on astronomy. He believed that the earth is round in shape and it attracts all the things towards it due to its gravitational force. He died in 1185 AD Ptolemy – Ptolemy was a Greek mathematician, a geologist and a scholar of astronomy. He was bom in 100 AD and he died in around 170 AD. Aryabhatta – He was bom in 476 AD and died in 550 AD. He was a great mathematician and astronomer. He had gained education in Pataliputra. He believed that the earth is round in shape and is not stationary. He provided important information regarding sunrise, sunset and circumference of the earth. |
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