Aryabhata was an ancient Indian astronomer who lived in the 5th century CE. He proposed the idea that the Earth is round and rotates on its axis, and that the Sun is the center of the solar system.

Jantar Mantar is an astronomical observatory built by Maharaja Jai Singh II in the 18th century CE. It consists of a series of architectural structures designed to measure time, track the movement of celestial bodies, and predict eclipses.

The Rigveda, one of the four Vedas, contains a hymn called the \"Hymn of Creation\" which describes the creation of the universe and the existence of extraterrestrial beings called \"Gandharvas\" and \"Apsaras\".

Aryabhata wrote the book \"Surya Siddhanta\" in the 5th century CE. This book contains a detailed description of the solar system, including the movement of the planets and the calculation of eclipses.

Bhaskara II was an ancient Indian astronomer who lived in the 12th century CE. He proposed the idea that the planets move in elliptical orbits, and he also developed a method for calculating the position of the planets at any given time.

Varahamihira was an ancient Indian astronomer who lived in the 6th century CE. He wrote the book \"Brihat Samhita\", which contains a detailed description of various aspects of astronomy, including astrology, meteorology, and planetary movements.

Brahmagupta was an ancient Indian astronomer who lived in the 7th century CE. He proposed the idea that the Earth's axis of rotation wobbles, which is known as the \"precession of the equinoxes\".

Aryabhata developed a method for calculating the time of eclipses in the 5th century CE. This method is still used today to predict the occurrence of eclipses.

Aryabhata proposed the idea that the Moon is a self-luminous body in the 5th century CE. This idea was later confirmed by modern science.

Bhaskara II wrote the book \"Lilavati\" in the 12th century CE. This book contains a detailed description of various mathematical concepts, including arithmetic, algebra, and geometry.

Aryabhata proposed the idea that the stars are distant suns in the 5th century CE. This idea was later confirmed by modern science.

Aryabhata developed a method for calculating the distance to the Moon in the 5th century CE. This method is still used today to estimate the distance between the Earth and the Moon.

Aryabhata proposed the idea that the universe is infinite in the 5th century CE. This idea was later confirmed by modern science.

Bhaskara II wrote the book \"Siddhanta Shiromani\" in the 12th century CE. This book contains a detailed description of various astronomical concepts, including planetary motion, eclipses, and the calculation of time.

Aryabhata proposed the idea that the Earth is moving through space in the 5th century CE. This idea was later confirmed by modern science.