How Did We Misunderstand Galaxies For So Long_ _ Boring Science for Sleep
Close your eyes and let the quiet story of astronomy's greatest misunderstanding carry you into sleep. For centuries, astronomers looked at fuzzy patches of light in the night sky and called them "spiral nebulae." Most believed these glowing clouds were just part of our own galaxy. This misunderstanding persisted until the Great Debate of 1920, which pitted two scientists against each other over the scale of the universe. Edwin Hubble settled it by observing pulsating stars in Andromeda, proving these "nebulae" were actually distant galaxies far beyond the Milky Way. Let the gentle rhythm of…
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