Weird 9-Ringed ‘Bullseye Galaxy’ Found By NASA’s Hubble
Thanks to the Hubble Space Telescope, researchers at Yale University have discovered the freshly-named "bullseye galaxy," which features nine sparkling rings and more than doubles the size of ...
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...
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