One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
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Scientists Discover Milky Way Black Hole Constantly Emits Flares
The supermassive black hole in the heart of the Milky Way Galaxy, Sagittarius A*, constantly emits flares like fireworks.
Largest Structure In Universe, 13,000 Times The Length Of Milky Way Discovered: Study
Astronomers have discovered what they are calling the largest-known structure in the universe. Named "Quipu" after an Incan ...
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The Largest 'Black Hole Jet' Discovered Is Estimated to Be Twice the Size of Our Milky Way
The Largest 'Black Hole Jet' Discovered Is Estimated to Be Twice the Size of Our Milky Way We know black holes to be ...
Weird Nine-Ringed ‘Bullseye Galaxy’ Found By NASA’s Hubble
The Hubble Space Telescope’s latest stunning images have allowed scientists to solve the mystery of the Bullseye Galaxy’s ...
7 beautiful photos of Milky Way shared by NASA
The center of our Milky Way galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas.
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One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate'
His measurements marked the end of the Great Debate about the Milky Way's size and the nature of the nebulae. Hubble wrote about his discovery to Harlow Shapley, who had argued that the Milky Way ...