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Record-breaking dwarf satellite galaxy of the Milky Way discovered

21 November 2016 Astronomy Now

An international team has found an extremely faint dwarf satellite galaxy of the Milky Way using the Hyper Suprime-Cam (HSC) on the 8.2-metre Subaru Telescope located at the Mauna Kea Observatory on Hawaii. Named Virgo I, the galaxy lies 280,000 light-years away in the constellation of Virgo. The galaxy may well be the faintest satellite galaxy yet found.