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Astronomers spent a decade compiling this special image with the Hubble Space Telescope and then stitched together 600 photos ...

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 ...

For over a decade, the Hubble Space Telescope meticulously observed our closest galactic neighbor, capturing over 1,000 ...