Aryabhata

Aryabhata was a brilliant mathematician and astronomer, he introduced zero and shaped mathematics and astronomy.

# Early life

Aryabhata was born around 476 CE in Ashmaka (Moern Kodungallur in Kerala, India), emerged from a family steeped in scholarly traditions. While the exact date of his birth remains uncertain, in his early years, Aryabhata received foundational education at a local gurukul, embracing a curriculum that spanned diverse subjects, including mathematics and astronomy. The gurukul system of education emphasized holistic learning, providing students with a well-rounded understanding of various disciplines.

# Discoveries

Around 499 CE,Aryabhata proved that the earth rotates around itself, due to which there is day and night. A lunar eclipse occurs when the Earth's shadow falls on the Moon. A solar eclipse occurs when the Moon comes between the Earth and the Sun.

That the moon itself is not illuminated, it reflects the light of the sun. Aryabhatta modified the theme of Uttarayan and Dakshinayan of the Sun.

Aryabhata composed many texts but at present only four of his books exist. The names of which are - Aryabhatiya, Dashgeetika, Tantra and Aryabhata Siddhanta. The first five planets, including the Sun have been explained.

In Kalakriyapada book, information about the movements of the planets and astronomy, including calculations of the Hindu period, have been given.

# Pi (π)

Aryabhata wrote in Ganitapada's book that by adding four to one hundred, then multiplying by eight and then adding 62,000 and extracting the quotient from 20,000, the answer obtained from this would be the value of Pi.

[ ( 4 + 100) \* 8 + 62,000 ] / 20,000 = 62,832

62,832/ 20,000 = 3.1416 (later changed to 3.14159)

Aryabhata calculated the length of the circumference of the earth. Which he said the length of 39,968.05 kilometers, which is only 0.2 percent shorter than the actual length (40,075.01 kilometers). Even today it is a matter of wonder to modern science how such calculations were possible at that time.

# Zero

Aryabhata invented zero. He has written a verse in his book that- Ekanch Dashch Shatanch Sahasrantu Ayutniyute and Prayutam. It means "Ek, Dasha, Shat, Sahasra, Ayutth, Niyutth, Prayutth, Koti, Arbuddha and Brinda each is ten times greater than the previous position. In other words, putting a zero in front of a number increases its value 10 times.

# Astronomical Unit

Aryabhata has made very significant contributions to the field of trigonometry, Algebra and calculated the distance of the planets from the Sun. His calculations are equivalent to the calculations made by modern science which is called 1 AU (Astronomical Unit).

Astronomical Unit
 Mercury
 Venus
 Mars
 Jupiter
 Saturn

Aryabhatta was the first to proved that when the Moon enters between the Earth and the Sun, the shadow of the Moon falls on the Earth, which is called a solar eclipse.

Similarly, when the Earth enters between the Sun and the Moon, the Earth's shadow begins to fall on the Moon, which is called a lunar eclipse.

He explained these principles with the help of Rahu-Ketu. He also calculated the size of the earth and measured the shadow formed at the time of the eclipse, which shows that he was a very intelligent person.

# Legacy

In 2 of April 550 CE, Aryabhata died from heart attack in his sleep. Aryabhata's discoveries and ideas continued to shape the scientific and mathematical thought of future generations.

Combined with the discoveries made by Brahmagupta, Zero and Pi gave birth to modern science with Nikola Tesla and Albert Einstein to shape a new world.

The Government of India launched its first satellite into space on 19 April 1975, which was named Aryabhata.

In 1976, the 1500th birth anniversary of Aryabhata was organized by the international organization UNESCO. The bacteria were discovered by the Indian Space Research Organisation (ISRO) in the troposphere of the atmosphere of which one species was named Bacillus Aryabhata.

A scientific institute in Nainital, India was named the Aryabhatta Observational Science Research Institute.

In a way you have a computer,internet and a iphone because of Aryabhata. thank you Aryabhata.