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Galileo's telescopic observations of the 4 large moons of Jupiter and the phases of Venus helped support the heliocentric model of the solar system developed by Copernicus. Copernicus predicted that all phases would be visible since the orbit of Venus around the Sun would cause its illuminated hemisphere to face the Earth when it was on the opposite side of the Sun and to face away from the Earth when it was on the Earth-side of the Sun. In contrast, the geocentric model of Ptolemy predicted that only crescent and new phases would be seen since Venus was thought to remain between the Sun and Earth during its orbit around the Earth. Galileo's observations of the phases of Venus proved that it orbited the Sun and lent support to (but did not prove) the heliocentric model.

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Who was ptolemys?

Cleopatra


Who was ptolemys wife?

you are a ideot dumb one


How was Copernicus model of the universe different from ptolemys model?

Copernicus's model thought that the planets orbited the sun. Ptolemy's model thought that the planets orbited the moon.No. The above answer is incorrect.Copernicus's model thought that the planets orbited the sun. Ptolemy's model thought that the planets orbited the EARTH in epicycles. Not the moon. (The model that modeled the planets orbiting earth was the Geocentric model. Aristotle theorized this.)Copernicus's model is known as the Heliocentric model. Ptolemy's theory of epicycles is when the planets revolved in large circles around Earth.


What was foundation of Ptolemys geocentric model of the universe?

Earth was the center of the universe


In the late 1500s ptolemys observations were supplanted by those of...?

later Greek astronomers


Ptolemys proof of his beliefs would be acceptable today why or why not?

Yes, it would be! And No it wouldn't at the same time!


What year was ptolemys world map made in?

his map was made in 1482. and used by cristpher colombus.


Did Cleopatra have 6 siblings?

lets she...there was tryphaeana, berenice, arsinoe, and the two tiny ptolemys. . . .that makes five


What was ptolemys explanation for why the planets seemed to move at different speeds?

The planets move on little circles that move on bigger circles.


Who developed ideas that contradicted Ptolemys geocentric model of the universe?

Scientists such as Nicolaus Copernicus and Galileo Galilei developed ideas that contradicted Ptolemy's geocentric model of the universe. Copernicus proposed a heliocentric model with the sun at the center, while Galileo's observations through a telescope supported this idea, leading to the eventual acceptance of the heliocentric model.


What was ptolemys evidence for his space theory?

Ptolemy's space theory was based on the geocentric model, which placed the Earth at the center of the universe with all celestial bodies revolving around it. His evidence mainly came from observational data of planetary positions and movements, which he sought to explain using a system of circles and epicycles to account for the perceived motions of celestial bodies.


What page does Nathaniel kiss Kitty in Ptolemys Gate?

he doesn't. They barely realize that they may like each other until one of them dies.