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James Webb Space Telescope witnesses Firefly Sparkle galaxy 'being assembled brick by brick' (image, video)

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A relic galaxy has been uncovered from the early universe.

In new images from NASA 's James Webb Space Telescope , the galaxy appears as a long, warped arc teaming with star clusters that resemble lightning bugs on a warm summer night .

Using computer modeling, researchers "weighed" the galaxy, showing that it has a mass similar to what the Milky Way’s mass might have been at the same stage of development 600 million years after the Big Bang .