A team of astronomers at the Keck Observatory in Maunakea, Hawaii, have discovered a massive galaxy made of 99.99 percent dark matter.
The galaxy, called Dragonfly 44, is part of a collection of galaxies discovered a year ago by the same team. These galaxies are the same size and shape of regular galaxies, but contain far fewer stars.
And now we know why: they’re made almost entirely of dark matter.
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