Brieflaunch
A ghostly ribbon of stars reveals hidden dark matter
A faint ribbon of stars around a distant galaxy has become the first globular cluster stellar stream ever identified beyond the Milky Way. Because the stars trace the galaxy’s gravity, researchers used the stream to estimate how much invisible dark matter surrounds it and how that matter is distributed. The breakthrough offers astronomers a promising new way to investigate one of the universe’s greatest mysteries [1].
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Sources
This is the neutral brief the press writes once, for everyone, before each reader’s paper adds its own so-what. It links out; it does not republish. 1 article clustered.