Tag: standard candles
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Edwin Hubble and the Standard Candle That Revealed the Universe
The Night That Transformed Astronomy On the night of October 5–6, 1923, the Mount Wilson Observatory near Pasadena became the stage for a turning point in science. Edwin Hubble, peering through the 100-inch Hooker telescope, glimpsed a faint smudge of light that would unlock an enormous question about the cosmos. What began as a tentative…
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Edwin Hubble and the Cepheid Breakthrough: Unveiling the Vastness of the Cosmos
Introduction: A Single Star’s Light Changes Our Worldview On the night of October 5–6, 1923, a star’s flicker would rewrite humanity’s sense of the cosmos. While peering through the 100-inch Hooker telescope at Mount Wilson Observatory near Pasadena, California, Edwin Hubble observed a faint smudge of light that would become a cornerstone of modern astronomy.…