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A dwarf planet has an unusual ring around it, like Saturn's, that shouldn't be there
Publicado em 19 de fevereiro de 2023
Quaoar, which orbits the Sun in the distant Kuiper Belt, is the latest small object to be shown to have a ring like those around Saturn. A small icy world far beyond Neptune possesses a ring like those around Saturn.
Paradoxically, the ring is at a distance where simple gravitational calculations suggest it shouldn't exist. "It's very strange," said Bruno Morgado, a professor at the Federal University of Rio de Janeiro in Brazil. Dr. Morgado is the lead author of a paper [...]