+Pulsation is the rhythmic, periodic [Expansion](/wiki/expansion) and contraction of an object or system. This dynamic phenomenon can be observed in various contexts, from the steady beat of a [Heart](/wiki/heart) to the variable light of a star.
+## See also
+- [Rhythm](/wiki/rhythm)
+- [Vibration](/wiki/vibration)
+- [Oscillation](/wiki/oscillation)
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