Halo de materia oscura detectado en una galaxia lejana

Enviado por Fabio el 2021-02-03 19:15:03 | Host: phys.org

The Milky Way is surrounded by dozens of dwarf galaxies that are thought to be relics of the very first galaxies in the universe. Among the most primitive of these galactic fossils is Tucana II—an ultrafaint dwarf galaxy that is about 50 kiloparsecs, or 163,000 light years, from Earth.