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The Milky Way Could Be Teeming with More Satellite Galaxies than Previously Thought

DURHAM UNIVERSITY, JUL 11 – New simulations predict 80 to 100 faint satellite galaxies missing from current observations due to their stripped dark matter halos, challenging previous detection limits.

Summary by Phys.org
The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe, according to new research. Cosmologists at Durham University used a new technique combining the highest-resolution supercomputer simulations that exist, alongside novel mathematical modeling, to predict the existence of missing "orphan" galaxies.

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Our Milky Way galaxy is not a lone wolf. It has a whole host of smaller galaxies nearby, the best known of which are the Large and Small Magellanic Clouds.

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Phys.org broke the news in United Kingdom on Thursday, July 10, 2025.
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