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No physical theory is completely correct, because measurements always have a built-in error that you hope is small. But Copernicus's theory explaining in detail how the planets move was accurate enough for its time and was only found lacking later when observational techniques became sufficiently refined to show its errors.
In modern times we have better theories for planetary orbits but Copernicus's general idea that all the planets orbit round the Sun is now generally accepted since Newton's theoretical discoveries, which were applied to showed that the Sun is far more massive than anything else in the solar system.
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How did Copernicus disprove ptolemy's theory about universe?
Copernicus proposed a heliocentric model of the universe, with the Sun at the center and the planets orbiting around it, while Ptolemy's model placed the Earth at the center. By providing a simpler explanation for planetary motion and accurately predicting the positions of celestial bodies, Copernicus's model challenged the complexity of Ptolemy's geocentric theory and gained acceptance over time.
Who is the person who disagreed with ptolemy's theory of the universe?
Nicolaus Copernicus disagreed with his theory, Copernicus belived that Ptolemy's view was to complicated.
The theory of cosmology ehich Copernicus proposed is called the what theory?
The theory of cosmology that Copernicus proposed is called the heliocentric theory. This theory placed the Sun, rather than the Earth, at the center of the solar system, with the planets orbiting around it.
Who was the promoter of the heliocentric theory?
Nicolaus Copernicus was the promoter of the heliocentric theory, which states that the Earth and other planets revolve around the Sun. He published his theory in his book "De revolutionibus orbium coelestium" in 1543.
How did Copernicus disprove ptolemys theory about the universe?
Shortly before Copernicus died he figured that the Earth was notthecenter of things, but the Sun was. This theory is still used today. He worked out this this theory from detailed observations of the orbit of Mars.
