Caltech astronomers have discovered 21 Sun-like stars in orbit around neutron stars using the European Space Agency’s Gaia mission. These neutron stars, remnants of massive stars that exploded, are typically too faint to detect directly. However, Gaia identified them through the gravitational wobbles they cause in their Sun-like companions. This finding reveals a new population of dark neutron stars and challenges current models of binary star evolution. The study highlights the rarity of such pairings and suggests that many binary systems survive cataclysmic processes.
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