Using Gaia and James Webb telescopes, astronomers trace Milky Way's origin, learn about early galaxies, revealing a busier, brighter early Universe.
Ancient star streams, Shakti and Shiva, detected by Gaia, merged into Milky Way 12 billion years ago, forming galaxy's earliest building blocks.
Lead researcher Khyati Malhan highlights the significance of detecting these ancient structures and their role in forming the proto Milky Way galaxy.
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