Madhava of Sangamagrama was a renowned Indian mathematician and astronomer who made significant contributions to the Kerala school of astronomy and mathematics.

Jantar Mantar is an astronomical observatory built by Maharaja Jai Singh II in Delhi, India. It is a UNESCO World Heritage Site.

Srinivasa Ramanujan was a renowned Indian mathematician who made significant contributions to the field of mathematics, including his work on the Fibonacci sequence.

An astrolabe is an astronomical instrument used to measure the altitude of celestial objects, such as the sun, moon, and stars.

Madhava of Sangamagrama was a renowned Indian mathematician who made significant contributions to the development of calculus, including the discovery of the Taylor series.

A sundial is an astronomical instrument used to measure the time of day by the position of the sun.

Aryabhata was a renowned Indian mathematician who made significant contributions to the development of trigonometry, including the discovery of the sine function.

Parallax is an astronomical instrument used to measure the distance to celestial objects by measuring the difference in their position from two different points.

Bhaskara II was a renowned Indian mathematician who made significant contributions to the development of algebra, including the discovery of the quadratic equation.

A lunar orbiter is an astronomical instrument used to study the surface of the moon by orbiting around it.

Srinivasa Ramanujan was a renowned Indian mathematician who made significant contributions to the development of number theory, including the discovery of the Ramanujan prime.

A spectroscope is an astronomical instrument used to study the composition of stars by analyzing the light they emit.

Aryabhata was a renowned Indian mathematician who made significant contributions to the development of geometry, including the discovery of the Pythagorean theorem.

A planetary orbiter is an astronomical instrument used to study the motion of planets by orbiting around them.

Srinivasa Ramanujan was a renowned Indian mathematician who made significant contributions to the development of statistics, including the discovery of the Hardy-Ramanujan theorem.