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The ELT Can Probe Ultra-Diffuse Galaxies and Their Dark Matter Mysteries
Ultra-Diffuse Galaxies are strange because they're as large as the Milky Way, but have far fewer stars. It's as if they're puffed up for some reason. Determining what's going on with them could help confirm the Lambda-CDM model. A new proposed instrument for the Extremely Large Telescope could give astronomers their best look yet at these strange galaxies.
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