Hidden Loki Inside the Milky Way Signals Ancient Dwarf Galaxy

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Source: Futurism
Hidden Loki Inside the Milky Way Signals Ancient Dwarf Galaxy
Photo: Futurism
TL;DR Summary

Scientists contend that an ancient dwarf galaxy, dubbed Loki, is embedded in the Milky Way and was absorbed billions of years ago. By studying 20 metal-poor stars in the galactic plane, they found chemical traces of past supernovae and neutron star mergers but no white-dwarf signatures, implying Loki formed quickly and contributed stars with mixed orbital directions—evidence of an early accretion event. The findings appear in Monthly Notices of the Royal Astronomical Society.

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