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What suggested that the sun and moon orbited earth and the rest of the planets orbited the sun?
The geocentric model, proposed by ancient astronomers like Ptolemy, suggested that the sun and moon orbited the Earth, while the planets revolved around the sun. However, observations by astronomers such as Copernicus, Galileo, and Kepler provided evidence for the heliocentric model, where planets, including Earth, orbit the sun. Galileo's telescopic observations, like the phases of Venus and the moons of Jupiter, supported this shift in understanding, demonstrating that not everything orbited the Earth. Kepler's laws of planetary motion further solidified the heliocentric model by explaining the elliptical orbits of planets around the sun.
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What was ptolemy theory on planets?
The astronomical system of Ptolemy, in which the earth is at the center of the universe with the sun, moon, planets, and stars revolving about it in circular orbits.Ptolemaic system Ptolemy believed that Earth was at the center of the universe and that the Sun and planets orbited Earth (with the planets also moving in smaller circles called epicycles). In this system, the centers of Mercury's and Venus's epicycles always lie on the line shown in the diagram between the Earth and the Sun.
Are the sun and moon planets?
No, the sun and moon are not planets. The sun is a star that emits light and heat, while the moon is Earth's natural satellite. Planets are celestial bodies that orbit stars, like Earth does with the sun.
How many planets away is the moon from the earth?
The moon is Earth's closest neighbor in space and the only natural object to orbit it. Counting it in "planets away from Earth" does not make any sense as the planets revolve around the sun, not Earth.
How are ptolemy and copernicus' ideas about the universe different from each other?
Ptolemy and Copernicus' ideas about the universe are different from each other in the sense that Ptolemy thought that every celestial object as well as the sun and the moon orbited the Earth whereas Copernicus had the thought that all planets orbited the Sun, while the Moon orbited the Earth.
Is the moon or sun a star or planets?
The Moon is a natural satellite and the Sun is a star. The Moon is not a star. Neither the Moon nor the Sun are planets.
Earth is orbited by a large what?
Earth is orbited by a large natural satellite known as the Moon.
How was Copernicus model of the universe different from ptolemy's?
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.
How was Copernicus model of the universe different from Ptolemy's 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.
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 planets always surrounded the moon?
Moons are not surrounded by planets, planets are surrounded (orbited) by moons.
Which animal first orbited the moon?
No animal has orbited the moon other than man. Dogs and monkeys have orbited the earth.
What astronauts orbited space?
Nobody has orbited space but some have orbited the earth and the moon.
Who concluded that all planets must orbit around the sun because evidence suggested that Venus orbited the sun?
Galileo Galilei concluded that all planets must orbit around the sun after observing that Venus exhibited phases similar to the moon, which could only be explained if Venus orbited the sun.
What would happen if the earth orbited the sun exactly the same way as the moon orbited the earth?
allways one half of earth only will get sunlight
What planet is the closest planet to the sun to be orbited by a moon?
The Earth.
How old was John Glenn when he orbited the moon?
John Glenn orbited the earth, the first American to do so. He was forty at the time.
How many times did Apollo 8 orbit the moon?
The Apollo 8 spacecraft orbited around the moon 10 times.
