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The notion that the Earth and other planets revolved around the Sun was first proposed in the 3rd century BC by Aristarchus of Samos. However, it was not until the 16th century that a fully predictive mathematical model of a heliocentric system was presented, by mathematician and astronomer Nicolaus Copernicus. In the following century, this model was elaborated and expanded by Johannes Kepler and supporting observations made using a telescope were presented by Galileo Galilei.
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∙ 14y ago
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∙ 13y agoOriginally, it was Nicholas Copernicus that believed that all the planets orbited around the sun. However, Copernicus died as the book he wrote was being printed, so he never got to publicly speak about his discoveries. Galileo and Johannes Kepler followed Copernicus' work and backed it and promoted it.
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∙ 11y agoAristarchus was one of the earliest to propose a heliocentric model of the solar system.
Aristotle is correct (From SOS)
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∙ 11y agoAristotle believed that planets orbit the earth. So did almost everybody more than 400 years ago, some (but they are few) still do!
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∙ 13y agoAristotle and Ptolemy (:
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∙ 15y agoGalileo
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A title for a project about earth?
earth the wonder world of many of other planets
How are mars and earth similar?
Earth and Mars are both terrestrial planets. Both planets have about the same amount of dry land surface areas. Mars, like Earth, has volcanoes, canyons, and impact craters.
Who made the first observations of objects in the solar system that orbited neither the sun nor earth were made by?
the first observations of the solar system were made by the mayans
Which is not a Jovian planet?
Pluto is the only "planet" that isn't a planet. Well I think that the IAU still have not answered the question WHAT MAKES A PLANET A PLANET? Is it a certain size or something? Comment : The IAU have defined a planet. The definition is mainly about size, but it's not simple: 1) The object must be big enough for gravity to have formed it into a (roughly) spherical shape. 2) The object must be by far the largest object in the neighbourhood of its orbit. Pluto qualifies on 1) but fails on 2). Also, Venus and Mercury are sometimes called "morning stars" or "evening stars", but they are planets.
What is one scientific theory that has changed?
the theory that all planets and sun revolve around earth
Who all believed that the sun the planets and the stars orbited the Earth?
Most people prior to the 1600's. And many people after that too!
What was Copernicus' theory about the sun and planets. how was it different from what people believed before?
Copernicus's theory was called the Heliocentric Theory. It said that the Earth and planets orbited around the sun, and the Sun was the center of the universe. The previous theory, mainly advocated by the Catholic Church, was called the Geocentric Theory; which stated that the Sun and planets orbited around the Earth, and that the Earth was the center of the Universe.
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 Aristotle's beliefs about the sun?
He believed the sun orbited around the Earth.
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.
What was the old model of the solar system called?
geocentric model, where the sun and other planets orbited the Earth.
What planet has a spacecraft from earth not visited?
All of the eight planets have been visited or orbited by space probes.
Who was the first to believe that all planets except Earth orbit the sun?
I'm not aware that any observer EVER argued that "all planets except Earth" orbited the Sun. The first person we know of to argue that the Sun was the center of things, and that the Earth orbited the Sun, was Aristarchus of Samos, a Greek astronomer and mathematician about 2400 years ago.
What planets always surrounded the moon?
Moons are not surrounded by planets, planets are surrounded (orbited) by moons.
What was Copernicus view of the solar system?
he thought the sun was in the center of the solar system, and that all the other planets and Earth orbited around it
