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tu nd s se expa er o h w S niv r e E m The astrono ALAXI the U of DISTANT G ing of our understand Hubble proved that we live in a Universe of billions of galaxies, and that it is rapidly expanding.
Change of direction Born in Missouri, USA, in 1889, Edwin Hubble was a high school teacher and then a lawyer before turning to astronomy. After gaining a PhD, he served in World War I and then started a research job at the MOUNT WILSON OBSERVATORY in California in 1919.
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Who came before... In 1750, English astronomer Thomas WrighT was the first to describe the shape of the Milky Way. He speculated that faint cloudy spots, or nebulae, could be distant galaxies. 98
American astronomer VesTo melVin slipher researched on galaxy red shifts between 1912 and 1925. His work showed that most galaxies are moving away from Earth, paving the way for Hubble’s Law.
