The Milky Way has a Colossal Wave Rippling Through It, Astronomers Say

ESA/Gaia/DPAC, S. Payne-Wardenaar, E. Poggio et al (2025)

The Milky Way galaxy is like a gigantic ocean gyre or eddy that spins and wobbles around its center.

But our home galaxy also has a colossal wave rippling…

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