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Apparent motion is what it looks like it's doing from here on earth. Actual motion is what it's actually doing in space relative to the system's center, whether you're talking about the sun, if it's the motion of a planet; or the galactic center, if you're talking about a star.
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What is responsible for the patterns of motion of all celestial objects?
Gravity for the real motion, the Earth's rotation for the apparent motion.
In what direction is the apparent daily motion of the sun?
It is westwards.
When a planet appears to stop in its orbit and move backwards this motion is called?
Apparent retrograde motion.
How does a moons motion compare to a planets motion?
They both spin on an axis.
Do constellations rise and set like the sun and the moon?
Yes. It's not the sky that's moving, it's the Earth (well, the Moon does move also, but MOST of the apparent motion of the stars, Sun and Moon come from the rotation of the Earth ... the Moon's actual movement acts to reduce its apparent motion, since it's actually travelling from west to east. This is why it rises a little later each day).
Compare the apparent motion of star to the actual motion of stars?
The actual motion of stars is very hard to see because stars are very far away.
What are two types of star motions?
Actual motion and apparent motion.
Why do constselations stay in the same place?
Strictly, every star in every constellation is moving relative to its neighbours and to us. But they are so far away we cannot perceive the motion. Compare the apparent motion of a plane far away on a distant horizon, with a plane passing overhead. Angular velocity = Actual velocity divided by distance.
What is a star's apparent shift in motion called?
Motion parallax.
What is Mercury's apparent motion?
mercurys motion can be like any other planets motion
Why there are seasons and the apparent motion of the stars and sun?
The seasons are due to axial tilts of planets and the apparent motion of stars and sun on the celestial sphere is due to diurnal motion.
How does apparent force affect the motion of an object?
Accelerates the motion of an object.
What is a stars apparent shift in position?
Motion
The apparent westward movement of a planet is known as?
retrograde motion
What is the apparent backward motion of a planet seen from earth called?
That is called 'apparent retrograde motion'.See the related link listed belowfor more information.
What is responsible for the patterns of motion of all celestial objects?
Gravity for the real motion, the Earth's rotation for the apparent motion.
In what direction is the apparent daily motion of the sun?
It is westwards.
