When checking out Uranus, scientists discovered something exciting: that the planet appears to have a long-term girlfriend. In a new, not-yet-peer-reviewed paper, an international group of researchers detailed finding a so-called "Centaur" — a small, icy, rocky body that is designated as a minor planet that sits between Uranus and Neptune — that appears to have been keeping up with Uranus in a cosmic dance for thousands or even millions of years. Dubbed 2015 OU₁₉₄, the Centaur in question differs from others of its type, which often have chaotic orbits, because of its uniquely stable rotation around the Sun. Specifically, […]

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