Who was the first scientist to theorize that planets move around the sun in elliptical orbits?

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Johannes Kepler
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How do planets orbit around the sun?

Planets orbit the sun in a counter clockwise motion, due to the balance between the Sun's gravity and the gravity of each individual planet.

Why do planets orbit around the sun?

Since the Sun has the most mass of all the objects in the solar system, it has the strongest gravitational pull. If there were another object in the solar system with more mass than the Sun, the planets (and the Sun itself) would orbit it. If there were no Sun's gravity (or other gravitational ( Full Answer )

Which planet orbit around the sun first?

Mercury is the closest planet to the Sun and has an orbital period of 88 Earth days. (Pluto in contrast has an orbital period of about 248 Earth years.)

Why do planets move in elliptical orbits?

\n \nThe planets move in their elliptical orbits because of the gravitation of the Sun combined with the inertial velocity of the planets (tangential to their orbital paths).\n. Mathematics shows the resulting orbits must be ellipses. (Some of the ellipses are in fact almost circles.) .

The planets stay in elliptical orbits around the sun because?

Keplers laws. Kepler deduced that the planets orbit about the sun in an elliptical pattern described by the mass at one focus of two. When the planet (or any satellite for that matter) is closer to the extreme of the ellipse closer to the "real mass" focus, it will travel faster through space, how ( Full Answer )

What planet orbits around the sun?

All planets orbit the Sun. In order from the Sun. Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune..

Why do the planets orbit around the sun?

Because of the Sun's gravitational pull on the planets combined with the inertia of the planets. The planets would move in straight lines without the Sun's gravity (ignoring all other gravitational forces).

Which planets orbit around the sun?

There are 8 planets that orbit around the sun, and a number of moons, asteroids, and comets. The planets are: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune

What is responsible for Earth's elliptical orbit around sun?

As far as we are aware, there are NO astronomical bodies in perfectly circular orbits. EVERY orbit is elliptical. Elliptical orbits are the natural order of things. If a planetary system had formed with the planets in highly eccentric orbits, then over the course of a few billion years, all but a ( Full Answer )

Do planets orbit around the sun?

The planets in our solar system all orbit around our sun, we also know of other suns that other planets (not in our solar system) orbit around.

Why does the planets orbit the sun in elliptical way?

This is a result of the law of gravitation.\n\n. At a very specific speed, a planet would move around the Sun in a circle, maintaining a constant distance from the Sun.\n\n. If the speed of the planet is slightly less than the speed required for a circle, it doesn't have enough momentum, and will ( Full Answer )

Why does the planets orbit around the sun?

Because the Sun has a great gravitational pull on the planets. Without the Sun the planets would travel in straight lines (ignoring other gravitational forces in the Universe.)

What are the two factors that cause the planets to move elliptical orbits around the sun?

I am not sure about the second factor, but the first is gravity. Classically we would think of the planets taking a curved path through space, due to the force of gravity between them and the sun. In the relativistic view, the planets actually travel in a straight line, but through a space-time whic ( Full Answer )

What evidence do you have that planets move around the sun in an elliptical orbit?

That theory is supported by observation, and is predicted by other theory that is confirmed by both observation and experiment. 1). A system of planets moving around the sun in elliptical orbits is the simplest structure that produces the motions of the planets that we actually see in the s ( Full Answer )

Are the seasons on earth caused by an elliptical orbit around the sun?

No. The seasons are caused by the Earth being tipped to one side. In winter the part of the Earth having winter is the farthest from the Sun and the Sun's rays strike it at a very low angle, meaning that the rays are weaker. In summer, the part of the Earth having summer is closest to the Sun, and ( Full Answer )

What do the planets orbit around the sun on?

a path called the 'orbit' which you used as a verb in the question, but it's also the noun used to denote the path in which the planet keeps orbiting

Why the orbit of earth around sun is elliptical instead of circular?

Two bodies that move around each other in space do so around a central point. If they are of equal mass, then point of rotation will be midway between them and will look like they are moving around the same circular path. If they have different masses, then the point of rotation is closer to t ( Full Answer )

How was Johannes Kepler able to prove that the planets revolve around the sun in elliptical orbits?

Kepler didn't prove that statement. In the 400 years or so since he worked on it, it hasn't been proved yet, and it's unlikely that it can ever be proved. It's still "just a theory". Kepler only demonstrated that if you make that simple assumption, it comes very close to explaining every mo ( Full Answer )

Why the planet move around the orbit?

the planet moves around the orbit because it is heavy and strong enough to pull its self in a circle around the sun. Thanks!:)

Who is discover that the planet moved in an elliptical orbit?

It was a German astronomer by the name of Johannes Kepler who did awhole lot of geometrical calculations from new and unusuallyaccurate observations made by Tycho Brahe. Kepler showed that theplanets each move in an elliptical orbit and he gave three lawsdescribing exactly how they move, and it was ( Full Answer )

Why is earth's orbit around sun elliptic in shape?

Only at a very specific speed would the orbit be circular. If (for example) the speed is slightly less than that required for a circular orbit, Earth gets closer and closer to the Sun - for a while. While this happens, it also gets faster, and eventually gathers enough momentum to move away from the ( Full Answer )

Who theorized that the moon the sun and the planets moved in a perfectly circular orbits around the earth?

The theory was officially written down by Plato, teacher of Aristotle, in 4th century B.C. Most ancient Greek astronomers followed the lead. The most recent well-known astronomer to hold to the theory was Tycho Brahe, in 16th century A.D. He created a revised geocentric model which explained the mot ( Full Answer )

Who was the first scientist to prove that planet moves around the sun?

Plenty of people had thought that the Earth might be moving roundthe Sun, for example Copernicus and Kepler. But it was not a theorythat was accepted during their lifetimes because the evidence wasnot strong enough. In the 17th century Newton discovered the law ofgravity and the laws of motion, and ( Full Answer )

What is earths year long elliptical orbit around the sun?

The Earth's orbit is elliptical and it takes a year to get roundthe ellipse once. The ellipse is almost a circle - the minor axis is only 0.014%smaller than the major axis. The Sun is off-centre by 2.5 million kilometres and the Earth isclosest in January (147.1 million km) and furthest in July (15 ( Full Answer )

Which astronomer is credited as the first to theorize the planets orbit around the Sun?

Copernicus produced the first heliocentric theory in 1543. It usedcircles and epicycles, like the ancient Ptolemaic theory that hadthe Earth at the centre. Later after accurate measurements by Tycho, Kepler discovered thata better model for a planet's orbit would be an ellipse with theSun at one foc ( Full Answer )