Astronomers Detect Tremendous Amount of Dark Matter in Dwarf Satellite Galaxy

Astronomers Detect Tremendous Amount of Dark Matter in Dwarf Satellite Galaxy
The vicinity of the Tucana II ultrafaint dwarf galaxy, as imaged with the SkyMapper Telescope. Anirudh Chiti, MIT
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Scientists have discovered that a small galaxy called Tucana II has a much stronger gravitational pull than expected, which means it is likely home to a large amount of dark matter.

Just as the moon orbits the Earth, many satellite galaxies are orbiting our Milky Way. Tucana II is one of them.