GENERAL KNOWLEDGE

Detailed explanation-1: -Heliocentrism (also known as the Heliocentric model) is the astronomical model in which the Earth and planets revolve around the Sun at the center of the universe. Historically, heliocentrism was opposed to geocentrism, which placed the Earth at the center.

Detailed explanation-2: -Heliocentric Theory Definition The theory that the Earth revolves around the Sun is called the heliocentric theory, helio meaning ‘sun’ and centric meaning ‘in the center. ‘ This theory was developed in parts by different astronomers over many years, namely Aristarchus, Copernicus, Galileo, and Kepler.

Detailed explanation-3: -geocentric model, any theory of the structure of the solar system (or the universe) in which Earth is assumed to be at the centre of it all. The most highly developed geocentric model was that of Ptolemy of Alexandria (2nd century ce).