Closest stars to the Sun within 50pc catalog
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Comets in the Oort cloud evolve under the influence of internal and external perturbations, such as giant planets, stellar passages, and the Galactic gravitational tidal field....
奥尔特云（Oort cloud）中的彗星在内部与外部摄动的作用下演化，此类摄动涵盖巨行星、恒星掠行以及银河系引力潮汐场……
