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Researchers spot rare 'triple-ring' galaxy that defies explanation
This remarkable image, captured by Japan's Subaru Telescope on Mauna Kea in Hawaii, actually shows something much more special: an extremely rare triple-ring galaxy located about 800 million light ...
Space telescope spots rare ‘Einstein ring’ of light around galaxy in our cosmic neighborhood
Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy. The halo, known as an ...