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How was Copernicus' idea of planet movement different from ptolemy's?
Wiki User
∙ 14y ago
They are different because Ptolemy believed that the Earth was the center of the universe, while Copernicus believed that the Earth was in orbit around the sun, just like the other planets.
Wiki User
∙ 14y ago
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How did Copernicus explain the retrograde motions of the planets?
All the models explain retrograde motion because it is such an obvious phenomenon. In Copernicus's model an outer planet goes into retrograde motion when the inner planet overtakes it so that it appears from the inner planet to be going backwards along the ecliptic.
How did Copernicus realize that Venus is an inferior planet?
it was know in ancient times that Venus passes between the Earth and the Sun, and Copernicus had a model which had the Sun at the centre, so in his model Venus was closer to the centre, thus an inferior planet by definition.
What made Copernicus realize that Venus is an inferior planet?
it was know in ancient times that Venus passes between the Earth and the Sun, and Copernicus had a model which had the Sun at the centre, so in his model Venus was closer to the centre, thus an inferior planet by definition.
What is the movement of a planet along its orbit around the sun?
revolution
A planet has a very long day compared with earth .What does that tell you about the movement of that planet?
It means the planet rotates slower. To be precise, the angular velocity is less.
When did nicolaus Copernicus discover Jupiter was a planet?
Copernicus dis not discover that Jupiter was a planet. It was always known to be a planet, though for the longest time we did not know what a planet was.
Who was the person that had a theory that earth was a moving planet?
Copernicus.
Who realized that planet go around sun?
Nicolaus Copernicus
What was Nicoluas Copernicus discovory?
He discovered that the Earth is a moving planet
Is Copernicus a planet?
No. Copernicus was a fifteenth to sixteenth century astronomer who is widely credited with suggesting that the sun, not the Earth, was the center of the solar system.
Which scientist said that the planet revolves around the sun?
Nicolas Copernicus
Who discovered the planet going around the sun?
Nicolaus Copernicus.
How did Copernicus explain the retrograde motions of the planets?
All the models explain retrograde motion because it is such an obvious phenomenon. In Copernicus's model an outer planet goes into retrograde motion when the inner planet overtakes it so that it appears from the inner planet to be going backwards along the ecliptic.
How did Copernicus realize that Venus is an inferior planet?
it was know in ancient times that Venus passes between the Earth and the Sun, and Copernicus had a model which had the Sun at the centre, so in his model Venus was closer to the centre, thus an inferior planet by definition.
What made Copernicus realize that Venus is an inferior planet?
it was know in ancient times that Venus passes between the Earth and the Sun, and Copernicus had a model which had the Sun at the centre, so in his model Venus was closer to the centre, thus an inferior planet by definition.
When did Copernicus realize that Venus is an inferior planet?
it was know in ancient times that Venus passes between the Earth and the Sun, and Copernicus had a model which had the Sun at the centre, so in his model Venus was closer to the centre, thus an inferior planet by definition. That was in about 1560.
Which astronomer thought the earth was a planet?
Copernicus was the first to suggest it as part of a serious theory, in 1543.
