Lifting the Veil on Dark Galaxies

February 8, 2015 5:01 AM

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A cluster of young, pulsating stars discovered in the distant regions of the Milky Way may mark the location of a previously unseen dark-matter dominated dwarf galaxy hidden behind clouds of dust, on the far side of our galaxy.

A team, led by Sukanya Chakrabarti from Rochester Institute of Technology, analyzed near-infrared data collected by the European Southern Observatory’s survey VISTA to find four young stars approximately 300,000 light-years away. These young stars are Cepheid variables — ”standard candles” that astr...

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