caption: Exotic Double-Ring Galaxy ``blue Ring Around an Ancient Red Core'' Approximately 359 million light-years away from Earth, there is a galaxy with an innocuous name (PGC that doesn't look quite like anything astronomers have observed before-Hoag's Galaxy Cosmos, Cosmic Microwave Background, Hubble Space Telescope, Astrophysics, To Infinity And Beyond, Deep Space, Space Travel, Space Exploration, Blue Rings
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