It's not hidden from the sun. It's hidden from our view. That's because the Earth and moon are in what's called synchronous rotation. Which means every time the moon rotates once on its axis ...

While both planets would likely be locked into a synchronous orbit—with a permanent dayside and a perpetual nightside—the ultrafast white dwarf planet's rotation stretches out the cloud ...

lexclin.com The scapula serves many roles in order for proper shoulder function to occur. These roles include providing synchronous scapular rotation during humeral motion, serving as a stable base ...

Motor rotation is developed in an AC induction motor through the effects of a moving magnetic field. As the speed of the rotor drops below the stator speed, or synchronous speed, the rotation rate of ...