+Variable stars are celestial beacons whose luminosity fluctuates, either due to internal stellar dynamics or external eclipsing events. These changes provide vital clues for measuring [Cosmic Distance](/wiki/cosmic_distance) and charting the complex paths of [Stellar Evolution](/wiki/stellar_evolution).
+## See also
+- [Star](/wiki/star)
+- [Pulsation](/wiki/pulsation)
+- [Luminosity](/wiki/luminosity)
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