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FaintFaint Dwarf Satellite Galaxy

Record-breaking Faint Satellite Galaxy of the Milky Way Discovered

November 21, 2016

An international team led by researchers from Tohoku University has found an extremely faint dwarf satellite galaxy of the Milky Way. The satellite, named Virgo I, may well be the faintest satellite galaxy yet found. The discovery provides important insights into galaxy formation through hierarchical assembly of dark matter...

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Distant Companion Stars Revealed

What Swings a Star Around – Another Star or a Distant Planet?

October 5, 2016

An international team led by a graduate student used Subaru Telescope and succeeded in discovering companion stars circling around stars that are slightly heavier than the Sun. They tackled the difficulty of finding companions far away from the central star...

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