Cupids

The brightness of RS Puppis, one of the brightest Cepheid variable stars, changes at a constant rate on a six-week cycle. Credit: NASA, ESA, Hubble Heritage Team (STScI/AURA)-Hubble/Europe Collaboration

Pulsating Beacons: Revolutionary Measurements Redefine Cepheid Variable Stars

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**Title:** Pulsating Beacons: Revolutionary Measurements Redefine Cupid Stars **Subtitle:** New study reveals deep insights into the structure and evolution of cupid stars through precise radial measurements, offering new approaches to the study of the universe