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Kepler's first law of planetary motion published in 1618 says that the planets travel in elliptical orbits with the Sun at one focus. Newton's law of gravity and other work he did explains how the Sun's gravity produces ellpitical orbits.

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What evidence do you have that the planets move in elliptical orbits around the sun and not in circular orbits?

Elliptical orbits of the planets around the sun actually match what we observe. Newton's Theory of Universal Gravitation states that planets will move around the sun in elliptical orbits.


What is the path planets travel?

Planets travel in elliptical orbits.


What has elliptical orbits?

As an elliptical orbit is any orbit that isn't perfectly circular, everything has an elliptical orbit. The planets Mercury and Pluto have the most elliptical orbits of the planets, and are easily seen to be oval shaped. Comets also have highly elliptical orbits.


What planet moved in an elliptical orbit?

All planets have elliptical orbits.


Who discovered the planets that have an elliptical orbits?

Johannes Kepler.


In what type of orbits do planets move around the sun?

Planets move around the sun in elliptical orbits. These orbits are elongated and follow Kepler's laws of planetary motion, which describe the shape and dynamics of the planetary orbits.


Do all planets have to be circle?

No, because all planets known have elliptical orbits.


Do all planets have eliptical orbits?

No, not all planets have elliptical orbits. While most planets in our solar system have nearly circular orbits, some planets, like Mercury and Pluto, have more elliptical orbits. Additionally, exoplanets outside our solar system can have a variety of orbital shapes.


Orbits of planets are not round but are?

ither elliptical, heliocentric, or position!!!


Who did discover planets move in elliptical orbits?

Johannes Kepler


What is credited with describing the orbits of the planets as elliptical?

Johannes Kepler


Which planets move in an elliptical orbit?

All the planets move with an elliptical orbit, but with a very low eccentricity.