description Edwin Hubble Overview
Edwin Hubble was a 20th-century American astronomer whose observations fundamentally reshaped our understanding of the cosmos. He demonstrated definitively that galaxies reside outside the Milky Way and established the principle of universal expansion for the universe. His work provided crucial evidence supporting the Big Bang theory and remains foundational to modern cosmology, informing research conducted by astronomers and scientists worldwide.
help Edwin Hubble FAQ
What did Edwin Hubble prove about Andromeda?
Hubble identified Cepheid variable stars in Andromeda and showed it was far outside the Milky Way. That helped settle the 1920s debate over whether spiral nebulae were separate galaxies.
What is Hubble's law?
Hubble's law describes the relationship between a galaxy's distance and its recession velocity. It became a key observational basis for the idea that the universe is expanding.
Was the Hubble Space Telescope named after Edwin Hubble?
Yes, NASA's Hubble Space Telescope is named after Edwin Hubble. The telescope launched aboard Space Shuttle Discovery in 1990.
Where did Edwin Hubble do his major astronomy work?
Hubble did much of his major work at Mount Wilson Observatory in California. He used the 100-inch Hooker Telescope, one of the most powerful telescopes of its era.
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