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The word **Heliocentrism** was derived from the Greek word 'helios' that means **Sun**. Heliocentrism is a cosmological model which states that Sun is the center of the universe, earth and all other planets revolve around the sun. It demolished the primeval fact called **Geocentrism**. In Geocenrism theory, people believed that earth is at the center of the universe, sun and other planets revolve around the earth.

The concept of heliocentrism was first discovered by **Aristarchus of Samos**. But introduction of heliocentrism was much attributed to **Copernicus** in 1543. He used his mathematical model and proved the fact of heliocentrism. But he never revealed his theory as he dont want to be presecuted by the church. Even after the publication it was called as **Index of Prohibited Books**. This incident is called as **Copernicus revolution**.

Copernicus theory was later supported by **Kepler** and **Galileo Galilei**. Kepler elaborated this concept with the introduction of elliptical orbits and Galileo, an Italian **physicist** and **mathematician** reinforced the heliocentric theory with the introduction of telescope.

**Aryabhatta**, an Indian Mathematician and astronomer hypothesized the heliocentric theory of gravitation. He proclaimed that earth is spinning on its axis and revolve around the sun. He was the first person to postulate that earth was in the shape of sphere.

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Daily Maths Topic Today - heliocentrism.