One large Milky Way galaxy or many galaxies?
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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Enormous Galaxy Clusters Found to be 1.3 Billion Light-Years Wide, Deemed to be The Largest Known Structure
Enormous Galaxy Clusters Found to be 1.3 Billion Light-Years Wide, Deemed to be The Largest Known Structure In a monumental ...
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Meet Quipu, The Biggest Thing In The Universe That's Millions Of Light-Years Away From Us
While mapping the nearby universe, astronomers discovered the largest-known structure in the universe, about 425 million to ...