Galactic archaeologists trace the evolution of the Milky Way

Gaia's view of the galaxy.
This map of the galaxy encompasses more than 1.8 billion stars that have been tracked by the European Space Agency’s Gaia satellite. Credit: ESA/Gaia/DPAC, A. Moitinho; CC BY-SA 3.0 IGO

Archaeologists reconstruct the history of previous civilizations. Researchers in the new field of galactic archaeology have even greater ambitions: They intend to…

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