Indian Mathematicians and Astronomers

Varahamihira developed the concept of the zodiac and the twelve signs of the zodiac in the 6th century CE.

Bhaskara II wrote the astronomical treatise 'Lilavati' in the 12th century CE, which focused on arithmetic and geometry.

Varahamihira developed the concept of the nine planets, including Rahu and Ketu, in Indian astronomy in the 6th century CE.

Bhaskara II wrote the astronomical treatise 'Siddhānta Shiromani' in the 12th century CE, which became a standard textbook in Indian astronomy.

Lagadha, an astronomer from the 1st century BCE, is believed to have made the first recorded observation of a solar eclipse in India.

Nilakantha Somayaji, a 15th-century astronomer, proposed the idea of an elliptical orbit for planets, centuries before Kepler's formulation of elliptical orbits.

Brahmagupta, a 7th-century astronomer, developed a method for calculating the distance to the Moon using the lunar parallax method.

Aryabhata, in the 5th century CE, proposed a heliocentric model of the solar system, where the Earth and other planets revolve around the Sun.

Brahmagupta developed a method for calculating the time of sunrise and sunset using trigonometric functions.

Aryabhata proposed the idea of a rotating Earth, which was a significant departure from the prevailing geocentric model of the time.

Aryabhata developed a method for calculating the circumference of the Earth using trigonometric functions.

Aryabhata proposed the idea of a spherical Earth, which was a significant departure from the prevailing flat Earth model of the time.

Aryabhata, a renowned Indian astronomer and mathematician, proposed the heliocentric model of the solar system in the 5th century CE, centuries before Copernicus.

Varāhamihira, a renowned Indian astronomer and astrologer, made significant contributions to the study of eclipses and developed methods for predicting their occurrence.

Bhaskara II, a prominent Indian astronomer and mathematician, made significant contributions to the study of comets and developed a method for calculating their orbits.