@nssastronomy2: Edwin Hubble (1889–1953) was an American astronomer who forever changed humanity’s view of the universe. Before his time, many scientists still believed that the entire universe consisted only of the Milky Way. By measuring the distance to the Andromeda galaxy, Hubble proved that it was a separate galaxy, showing that countless other galaxies existed beyond the Milky Way. He also discovered that galaxies were moving away from one another, providing evidence that the universe is expanding. These revolutionary discoveries expanded humanity’s understanding of the universe’s true scale, laid the foundation for modern cosmology, and forever changed people’s perception of our place in the universe #universe #space #Astronomy #cosmos #fyp

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Friday 24 July 2026 12:43:22 GMT