Question

the heliocentric theory explains that planets orbit the sun at the center of our solar system. It replaced the geocentric theory, which suggested that all objects in space orbit earth.

Answer 1

Answer:

Heliocentrism[a] 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. The notion that the Earth revolves around the Sun had been proposed as early as the third century BC by Aristarchus of Samos,[1] who had been influenced by a concept presented by Philolaus of Croton (c. 470 – 385 BC). In medieval Europe, however, Aristarchus' heliocentrism attracted little attention—possibly because of the loss of scientific works of the Hellenistic period.[b]

Andreas Cellarius's illustration of the Copernican system, from the Harmonia Macrocosmica

It was not until the sixteenth century that a mathematical model of a heliocentric system was presented by the Renaissance mathematician, astronomer, and Catholic cleric, Nicolaus Copernicus, leading to the Copernican Revolution. In the following century, Johannes Kepler introduced elliptical orbits, and Galileo Galilei presented supporting observations made using a telescope.

With the observations of William Herschel, Friedrich Bessel, and other astronomers, it was realized that the Sun, while near the barycenter of the Solar System, was not at any center of the Universe.

Explanation:

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