SpaceQuanta Magazineabout 2 hours ago
Three Ghostly Galaxies Hint Dark Matter Exists
8 min read
A paper published in June 2026 in The Astrophysical Journal reports on three galaxies, DF2, DF4, and DF9, located 65 million light-years from Earth. Researchers found these objects contain little dark matter, with DF2 having at most 400 times less than expected and DF9 possessing the mass of roughly 100 million suns.
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