# Aryabhata (mathematician and astronomer)

In the classical age, He was one of the first Indian mathematicians and astronomers. He was born in 476 CE Kusumapura (Pataliputra) present-day Patna, India.

**Discovers: **

- Approximation of pi, 62832/20000 = 3.1416.
- He also believed that the planets and the Moon shine by reflected sunlight and that the motion of the stars is due to Earth’s rotation.

**The mathematical Work of the aryabhata covers: **

- arithmetic,
- algebra,
- plane trigonometry and
- spherical trigonometry.

**Astronomical Work:**

- He knew that the earth is rotating on an axis around the sun and the moon rotated around it.
- He also discovered the position of nine planets and stated that these also revolved around the sun.
- He pointed out the eclipses, both lunar and solar.
- He stated, how many correct number of days in a year. i.e., 365 days.

In his honour, The Indian government named its first satellite '**Aryabhata**' which was launched on 1975.