Prakriti, or material nature, was considered the fundamental building block of the universe in ancient Indian cosmology.

Kanada, the founder of the Vaisheshika school of philosophy, proposed the concept of 'Anu' as the indivisible and indestructible fundamental unit of matter.

Shunya, meaning 'void' or 'emptiness', was a concept explored in ancient Indian philosophy and cosmology to describe the fundamental nature of reality.

Purusha, in Samkhya philosophy, represents the principle of consciousness or awareness, which is distinct from Prakriti, the material world.

The Upanishads, a collection of philosophical and spiritual texts, extensively discuss the concept of 'Brahman' as the ultimate reality and the source of all existence.

Anu, in Nyaya-Vaisheshika philosophy, refers to the fundamental particles that combine in various ways to form matter.

Aryabhata, an influential astronomer and mathematician, is credited with proposing the idea of 'Khagola-Vidya' or celestial science.

Prakriti, or material nature, was considered the active principle responsible for the creation and evolution of the universe in ancient Indian cosmology.

Aryabhata was the first Indian astronomer to propose the heliocentric model of the solar system, where the Earth revolves around the Sun.

Brahman, in Advaita Vedanta, is the ultimate reality that transcends all duality and is the source of all existence.

Brahmagupta developed the concept of 'Karanas', a system of astronomical calculations used to determine the positions of celestial bodies.

Moksha, or liberation from the cycle of birth, death, and rebirth, was considered the ultimate goal of human existence in ancient Indian cosmology.

Varahamihira developed the 'Surya Siddhanta', a significant treatise on astronomy and planetary motion.

Dharma, or cosmic order, was considered the primary force responsible for the creation and maintenance of the universe in ancient Indian cosmology.

Kapila, the founder of the Samkhya school of philosophy, proposed the concept of 'Kshetrajna', the knower of the field, to explain consciousness.