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The apparent westward movement of a planet is known as?
retrograde motion
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 two planets that retrograde motion around the sun?
Mercury and Venus are the two planets that retrograde motion around the sun.
What were epicycles used to describe?
The retrograde motion of planets
What planet has no satellites and a retrograde revolution?
Venus has no natural satellites and retrograde motion (orbits opposite direction it rotates).
The apparent westward movement of a planet is known as?
retrograde motion
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.
Was retrograde motion a theory?
Retrograde motion describes something by definition. It is not and has never been a theory.
What is the difference between prograde and retrograde?
Prograde motion is a counter-clockwise motion or west to east, retrograde motion is clockwise motion or east to west.
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 actors and actresses appeared in Retrograde Motion - 2013?
The cast of Retrograde Motion - 2013 includes: Thomas Denman
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.
What two planets that retrograde motion around the sun?
Mercury and Venus are the two planets that retrograde motion around the sun.
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.
What planet has retrograde motion?
venus
What is the motion in which Mars appeared to reverse its normal direction of motion in the sky?
Retrograde motion
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.
