Monday, March 5, 2012

Tiny Galaxies Hide Dark Secret

Credit: P-A Duc/CEA-CNRS/NRAO-NASA

Galaxy NGC5291 (orange, at the center) and its ring of debris (in blue) as seen by the Very Large Array interferometer.

Researchers have found evidence for the presence of dark matter in dense star-forming groups (shown in red), where 'recycled' dwarf galaxies exist.

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