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What is the similarity between the Ptolemy and Copernicus models of the solar system?
The similarity is that both theories used a system of circles and epicycles to explain how the planets move around. Copernicus's theory (1543) used a similar number of epicycles, but many of them were smaller so that the paths followed by the planets were geometrically simpler. The difference was that Copernicus placed the Sun at the centre rather than the Earth as the ancient theory had done. Another theory was later produced by Kepler (1609), which used Copernicus's idea of having the Sun at the centre, but Kepler used elliptical orbits for the planets. This new model fitted observational measurements better, but it was not until many years later after the discovery of the law of gravity and the laws of motion (1687) that it was possible to pick out Kepler's theory as the correct one that is still in use today.
Copernicus first described the solar system as being heliocentricWhat does this mean and when did he say it?
Heliocentric is the idea that the sun is the centre of the universe. Copernicus was not the first person to come up with the idea. It had been around at least since the 4th century BC, so around 1900 years before Copernicus. Many people had worked on this theory over those centuries, and he used some of their ideas to form his own. His was the first where the idea of computing the locations of the planets was introduced based on heliocentrism, although similar ideas of calculating positions of planets had also been around before him. Some of his ideas are still used. He published his ideas in a book in 1543, but he had been working on his ideas for many years before that.
How many planets were in Ptolemy time?
60
How many planets did ptolemy discover?
321
Who invented the geocentric model of the solar system?
i believe that was copernicus. could be galileo Aristarchus of Samos, a Greek mathematician and astronomer, was the first person (that we know of) to propose the idea that the Earth circles the Sun rather than the Sun going around the Earth. This was about 2400 years ago!
How many times did the Earth orbit the Sun between 140 Ce when Ptolemy introduced his theories and 1543 when Copernicus introduced his theories?
1403
How many times did earth orbit the sun between 140 C.E when Ptolemy introduced his theories and 1543 when Copernicus introduced his?
The earth revolved around the sun 1403 times between 140-1543.
Who was Cleopatra's brother?
Cleopatra VII had four siblings they are: Berenice, Cleopatra Tryphaena, Cleopatra, Ptolemy XIII, Arisnoe, Ptolemy XIV,
What is the similarity between the Ptolemy and Copernicus models of the solar system?
The similarity is that both theories used a system of circles and epicycles to explain how the planets move around. Copernicus's theory (1543) used a similar number of epicycles, but many of them were smaller so that the paths followed by the planets were geometrically simpler. The difference was that Copernicus placed the Sun at the centre rather than the Earth as the ancient theory had done. Another theory was later produced by Kepler (1609), which used Copernicus's idea of having the Sun at the centre, but Kepler used elliptical orbits for the planets. This new model fitted observational measurements better, but it was not until many years later after the discovery of the law of gravity and the laws of motion (1687) that it was possible to pick out Kepler's theory as the correct one that is still in use today.
What are some names of famous space astronamers?
If you meant astronomers then the answers is very simple. Through out history there have been many astronomers. my favorites include Kepler, Hubble, Galileo, Copernicus, Aryabhatta, Ptolemy, Brahe etc.
Copernicus first described the solar system as being heliocentricWhat does this mean and when did he say it?
Heliocentric is the idea that the sun is the centre of the universe. Copernicus was not the first person to come up with the idea. It had been around at least since the 4th century BC, so around 1900 years before Copernicus. Many people had worked on this theory over those centuries, and he used some of their ideas to form his own. His was the first where the idea of computing the locations of the planets was introduced based on heliocentrism, although similar ideas of calculating positions of planets had also been around before him. Some of his ideas are still used. He published his ideas in a book in 1543, but he had been working on his ideas for many years before that.
What did ptolemy to?
He is an mathamican, geoglogly, and wrote many books about the earth......he was know as claudias ptolemy....
How many guys did Cleopatra married?
4. Ptolemy XIII Ptolemy XIV Julius Caesar Mark Antony
How many planets were in Ptolemy time?
60
How many planets did ptolemy discover?
321
How many kids did Copernicus have?
4 children
Who invented the geocentric model of the solar system?
i believe that was copernicus. could be galileo Aristarchus of Samos, a Greek mathematician and astronomer, was the first person (that we know of) to propose the idea that the Earth circles the Sun rather than the Sun going around the Earth. This was about 2400 years ago!
