apparent motion
motion ***
apparent movement
movement ****

Just remember that the apparent motion you'll see isn't right.

The apparent motion of the sun and moon will be an inclined arc in the sky.

It seemed to have come slightly closer but without apparent motion.

He turned in the air and drifted without apparent motion- it looked like levitation.

The Sun's apparent motion in our sky moves over 40 times that amount in just one second.

Analyzing the apparent motion of the cluster can give us the distance to it.

This model described the apparent motion of the Sun fairly well.

It can be considered as an image of the Sun's apparent motion during a year.

He also thought out and described the apparent motions of the planets as they were known in his time.

Mainly dedicated to the apparent motions of the Sun and to related phenomena.