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It was Claudius Ptolemy, 98-160. His Ptolemaic system describing the planets' movements among the stars was generally accepted for about 1400 years. Until the computer age, the Ptolemaic model was also used in planetariums.
it was geilo i dont know his last name but if youu know him than well i dont know check your books kids.
Nicolaus Copernicus was the astronomer who first proposed the heliocentric model of the solar system, where the Earth and other planets revolve around the Sun. His work "On the Revolutions of the Celestial Spheres" laid the foundation for modern astronomy.
Johannes Kepler, a German astronomer, discovered that planets follow elliptical orbits around the Sun, rather than perfect circles. This discovery is known as Kepler's first law of planetary motion and was a significant advancement in our understanding of the solar system.
The heliocentric model, which states that planets move around the Sun, was proposed by the Polish astronomer Nicolaus Copernicus in the 16th century. His work laid the foundation for modern astronomy and challenged the geocentric model.
Aristarchus of Samos
The astronomer credited as the first to theorize that the planets orbit around the Sun (heliocentrism) is Nicolaus Copernicus. He developed the heliocentric model of the solar system, which proposed that the Sun was at the center and the planets, including Earth, revolved around it in circular orbits. This theory was a departure from the earlier geocentric model, which posited that Earth was at the center of the universe and everything orbited around it. Copernicus's work laid the foundation for the modern understanding of the solar system's structure and motion.
It was Claudius Ptolemy, 98-160. His Ptolemaic system describing the planets' movements among the stars was generally accepted for about 1400 years. Until the computer age, the Ptolemaic model was also used in planetariums.
Nicolaus Copernicus discovered why planets stay in orbit when he found that the planets revolve around the sun. He is credited with starting the Scientific Revolution through this discovery.
it was geilo i dont know his last name but if youu know him than well i dont know check your books kids.
Copernicus
Nicolaus Copernicus was the astronomer who first proposed the heliocentric model of the solar system, where the Earth and other planets revolve around the Sun. His work "On the Revolutions of the Celestial Spheres" laid the foundation for modern astronomy.
Nicolaus Copernicus, a Polish mathematician and astronomer, proposed the heliocentric model in the 16th century, stating that the planets, including Earth, orbit around the Sun. This model replaced the geocentric model that had Earth at the center of the universe.
leshontae missick
Johannes Kepler, a German astronomer, discovered that planets follow elliptical orbits around the Sun, rather than perfect circles. This discovery is known as Kepler's first law of planetary motion and was a significant advancement in our understanding of the solar system.
Claudius Ptolemy, an ancient Greek astronomer and mathematician, proposed the geocentric model of the universe in the 2nd century AD. According to this model, the Sun, Moon, and planets orbited Earth in circular paths. This view was widely accepted until Copernicus introduced the heliocentric model in the 16th century.
He is a danish astronomer who stated that all the planets revolve around the sun in elliptical orbits and that the sun is not in the exact center of the orbit.