All posts tagged "Stars; Astrophysics; Nebulae; Galaxies; Black Holes; Space Telescopes; Extrasolar Planets; Space Exploration"

High-precision measurements challenge our understanding of Cepheids

“Classical Cepheids” are a type of pulsating star that rhythmically brightens and dims over time. These pulsations help astronomers measure vast distances across space, which makes...