Tag: Hubble’s Law
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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 Discovery That Expanded the Universe: The Cepheid Standard Candle
Opening the Cosmos to a Vast Scale On the night of October 5–6, 1923, a breakthrough quietly unfolded at Mount Wilson Observatory in California. A young astronomer, Edwin Hubble, was meticulously examining the faint light of a distant smudge with the towering 100-inch Hooker telescope. What began as a routine set of photographic plates would…