![Motions of the 39 dwarf galaxies. In the background we show the image built from point sources in Gaia One can only see the brightest dwarf galaxies, and even theyy are barely visible. The galaxies are labeled with their names, and the arrows show the dir Motions of the 39 dwarf galaxies. In the background we show the image built from point sources in Gaia One can only see the brightest dwarf galaxies, and even theyy are barely visible. The galaxies are labeled with their names, and the arrows show the dir](/sites/default/files/styles/crop_square_2_2_to_320px/public/images/gallery/news/prensa1480_3450.jpg?itok=T1bJcPK2)
An international team, led by researchers from the IAC, used data from the ESA satellite Gaia to measure the motion of 39 dwarf galaxies. These data gives information on the dynamics of these galaxies, their histories and their interactions with the Milky Way.
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