The solar system was not discovered by a single person; rather, its understanding has developed over centuries through the observations and contributions of many astronomers and scientists.
Ancient civilizations, such as the Babylonians and Greeks, were among the first to record observations of celestial bodies and recognize some patterns in their motions. However, the modern understanding of the solar system, with the Sun at the centre and planets orbiting it, began to take shape during the Renaissance and beyond.
Nicolaus Copernicus, a Polish astronomer, is known for formulating the heliocentric model of the solar system in the 16th century, suggesting that the planets, including Earth, revolve around the Sun. His work laid the foundation for the understanding of the solar system as we know it today.
Galileo Galilei, an Italian astronomer, made significant astronomical observations using a telescope in the early 17th century. He discovered Jupiter's four largest moons (now called the Galilean moons), observed phases of Venus, and identified sunspots, supporting the heliocentric model.
Johannes Kepler, a German mathematician and astronomer, formulated the laws of planetary motion in the early 17th century. His laws described the precise mathematical relationships governing the orbits of planets around the Sun.
Isaac Newton, an English physicist and mathematician, provided a comprehensive explanation of gravity and motion in his work "Philosophiæ Naturalis Principia Mathematica" (Mathematical Principles of Natural Philosophy), published in 1687. Newton's laws of motion and the law of universal gravitation helped explain how objects, including planets, move in the solar system.
So, the discovery and understanding of the solar system evolved over centuries and involved contributions from various scientists, with Copernicus, Galileo, Kepler, and Newton being some of the key figures in shaping our modern understanding of how the solar system works.
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