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NASA's Hubble Space Telescope gets look at interstellar comet 3I/ATLAS. How big is it?

NASA's Hubble Space Telescope got an up-close look at a headline-grabbing object known as 3I/ATLAS that has wandered into ...

NASA reveals new image of rare interstellar comet zooming through Solar System at 130,000 mph

The latest observations suggest the comet could be as wide as 5.6 kilometres, and at least 320 metres. Further observations by NASA's James Webb Space Telescope will help researchers work out the size ...