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The two inner planets Mercury and Venus move in retrograde motion (east to west along the ecliptic) between their time of greatest distance from the Sun (elongation) to the east as an evening star and their greatest elongation west as a morning star.

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Q: Can inferior planets undergo retrograde motion?
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Related questions

What two planets that retrograde motion around the sun?

Mercury and Venus are the two planets that retrograde motion around the sun.


Which two planets have Retrograde motion?

Venus and Uranus have retrograde rotation.There are other meanings of retrograde motion, but retrograde rotation fits the question best.


What do the planets do to incur retrograde motion?

The planets don't have to "do anything" to "go into" retrograde motion. The retrograde motion, the "moving backward" that planets do as we watch them cross the night sky over the weeks, is due to the nature of the orbit of a planet and to our view of that orbit from earth.


What is the planet that rotates by retrograde motion?

Actually, 3 planets rotate in a retrograde motion, which, by the way, means that they rotate East to West, or in a counterclockwise motion. Most planets rotate in a clockwise direction, or West to East. The three planets that rotate in a retrograde motion are Venus, Uranus and Pluto.venus


When a superior planet is in the middle of its retrograde motion what planetary configuration is it in?

Superior planets are in opposition when in the middle of their retrograde motion.


What were epicycles used to describe?

The retrograde motion of planets


Which planet rotates by retrograde motion?

All planets orbit the sun in the direction that the sun is rotating. There are actually two planets that rotate by retrograde motion and are exceptions to this rule. These planets are Venus and Uranus.


What is retrograde motion as applied to a planet?

The "apparent" reverse or backwards motion of a planet as observed from Earth. The innermost planets appear to have a retrograde motion when viewed from Earth.


Do inner planets mercury and Venus experience retrograde motion similar to the outer planets?

no


Why does Mercury undergo retrograde motion more than the other planets?

It doesn't. You may be thinking of Mars. Mars shows this effect because its distance and orbital speed are suitable.


Why was retrograde motion important in astronomy?

Retrograde motion important in astronomy because it helped to explain that the planets revolved around the Sun. Retrograde motion is the ability of some objects to rotate in a direction that is opposite what is expected.


Which planet rotate in retrograde motion?

Uranus and Venus are the two planets in our solar system that have a retrograde rotation. All of the planets orbit the Sun.