ESA's Gaia mission has charted over 1.8 billion stars in the Milky Way. The latest kinematic vectors reveal fossilized stellar streams belonging to ancient satellite galaxies consumed over 10 billion years of galactic history.
Galactic Dynamics2026-08-02 • ⏱️ 3 min read
Gaia Satellite Traces 100,000 Stellar Streams From Consumed Dwarf Galaxies
Data from Gaia Data Release 4 unveils the Milky Way's galactic cannibalism history with extreme precision in 3D velocity vectors.
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