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How did the motions of the planets lead to your modern view of a sun centered solar system?
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How many planets are in the Earth-Centered System?
In theory, it is the same number as in the Sun-centered system, except that the Earth was usually not considered as a planet.However, the Earth-centered system was abandoned before the planetsbeyond Saturn were discovered.So, in fact there were only 5 planets in the old Earth-centered system.They were: Mercury, Venus, Mars, Jupiter and Saturn.I think that's the best answer.A complication is that the Sun and Moon were often referred to as "planets" by the ancient astronomers. So that makes the answer 7 "planets" .Indeed Kepler was obsessed with trying to find reasons for there being seven"planets":Sun, Moon, Mercury, Venus, Mars, Jupiter and Saturn.In the Earth centered system there were just 5 planets, because Uranus and Neptune were discovered after the Sun centered system replaced it.
What is the difference between a geocentric model and heliocentric model of the solar system?
Heliocentric was thought to believe that the sun was at the center of the solar system and that the planets revolved around the Sun. Geocentric was thought to believe that the earth was the center of the solar system and that the planets revolved around the earth. We now know that our solar system is centered around the sun and is heliocentric.
Why is the sun in the center of the solar system?
Because the Solar System is defined as the collection of planets, planetary satellites, comets, asteroids and other debris, centered on the sun.Wherever the sun goes, that's the center of the solar system, because that's the definition of the solar system.
According to modern theory how was the solar system formed?
The best view of the solar system is that from either of the two Voyager spacecraft which show the solar system from outside. The modern view of the solar system is that there are 8 planets orbiting the Sun. There are also a lot of smaller bodies orbiting the Sun. They are mainly the dwarf planets, asteroids, Kuiper Belt objects, and comets.
Who changed the idea of the earth centered solar system to a sun centered solar system?
Copernicus
Which planets' motions were described with epicycles in the Ptolemaic system?
All the known planets
How many planets are in the Earth-Centered System?
In theory, it is the same number as in the Sun-centered system, except that the Earth was usually not considered as a planet.However, the Earth-centered system was abandoned before the planetsbeyond Saturn were discovered.So, in fact there were only 5 planets in the old Earth-centered system.They were: Mercury, Venus, Mars, Jupiter and Saturn.I think that's the best answer.A complication is that the Sun and Moon were often referred to as "planets" by the ancient astronomers. So that makes the answer 7 "planets" .Indeed Kepler was obsessed with trying to find reasons for there being seven"planets":Sun, Moon, Mercury, Venus, Mars, Jupiter and Saturn.In the Earth centered system there were just 5 planets, because Uranus and Neptune were discovered after the Sun centered system replaced it.
Why do planets have circular and elliptical motions in the solar system?
The scientific explanation lies in Kepler's laws of planetary motions, which were discovered by Newton to be linked with the law of gravity. All the planets have elliptical orbits, and many of those are close being circular.
One of the discoveries that led to the modern view of the Solar System was that the BLANK of the planets were ellipses?
One of the discoveries that led to the modern view of the Solar System was that the "orbits" of the planets were ellipses.
Who was the first ''modern'' astronomer to propose a sun-centered solar system?
Galileo Galilei
One of the discoveries which led to the modern view of the solar system was that the orbits of the planets are?
Ellipses
What planets were discovered in the solar system in modern times?
Uranus in 1783, Neptune in 1846.
What controls the motions of the planets?
Gravity is what sets the planets in motion. The force that keeps them in motion is known as inertia in the law of physics.
How would you describe the organization of the solar system?
concentric eclipses of very little eccentricity centered about the sun. Most planets within 5' of the ecliptic.
Who created the modern model of the solar system by discovering that the planets move in ellipse?
Johannes Kepler.
Who made the first solar system?
the Greeks around early 600 b.c. constructed a geocentric (earth centered) model of the solar system to explain the moon and planets that formed the beginning of astronomy
What is the difference between a geocentric and heliocentric model of the solar system?
Heliocentric was thought to believe that the sun was at the center of the solar system and that the planets revolved around the Sun. Geocentric was thought to believe that the earth was the center of the solar system and that the planets revolved around the earth. We now know that our solar system is centered around the sun and is heliocentric.
