measurements

Highly precise measurements challenge our understanding of Cepheids

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This article was reviewed according to Science fact checked peer-reviewed publication trusted source proofread OK! RS Puppis, one of Cepheid’s brightest variable stars, brightens and darkens rhythmically over a six-week cycle. Credit: NASA, ESA, Hubble Heritage Team (STScI/AURA)-Hubble/Europe Collaboration. hubblesite.org/contents/media/images/2013/51/3263-Image.html × close to RS Puppis, one of Cepheid’s brightest variable stars, brightens and darkens rhythmically … Read more

Highly precise measurements challenge our understanding of Cepheids

by

RS Puppis, one of Cepheid’s brightest variable stars, brightens and darkens rhythmically over a six-week cycle. Credit: NASA, ESA, Hubble Heritage Team (STScI/AURA)-Hubble/Europe Collaboration. hubblesite.org/contents/media/images/2013/51/3263-Image.html “Classical Cepheids” are a type of pulsating star that brightens and darkens rhythmically over time. These pulsations help astronomers measure vast distances in space, making Cepheids crucial “standard candles” that … Read more