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关于广义相对论对“双生子佯谬”汤克云 中国科学院地质与地球物理研究所 中国科学院国家天文台 ktang@bao.ac.cn 摘要 迄今为止，对“双生子佯谬”有两种解释：狭义相对论的解释和广义相对论的解释，前者是基于两个“惯性系”，后者是基于“局域惯性系”。不但以上两种经典解释的方法存在逻辑错误，而且认为在太空飞行的哥哥比留驻地球的弟弟绝对年轻的结论也是错误的。错误的逻辑根源在于“惯性系”无法定义或根本不存在。 用“相对源观对”取代“惯性系”获得正确的结论：一方面，哥哥乘飞船相对于地球上的弟弟作太空飞行了一圈，弟弟乘地球这只飞船相对于哥哥也作了太空飞行一圈。哥哥和弟弟分别看自身，都还年轻；由哥哥看弟弟，弟弟变老了，由弟弟看哥哥，哥哥也变得同样老，二是完全对称和对等的。“Twin Paradox” by General Relativity ----supplementary version to a right solution on “twin paradox by “RPOSO” Keyun Tang Institute of Geology and Geophysics, CAS National Astronomical Observatories, CAS ktang@bao.ac.cn Abstract So far, there are two kinds of physical interpretations on the twin paradox by the special relativity and by the general relativity respectively. The former is based on two “inertial frames”; the later is based on “local inertial frame”. We have found that not only the above two explanations exist logic errors, but also the conclusion that the brother A in the space flight is absolutely younger than the brother B staying in the Earth is not correct，the explanations and conclusion are contrary to the basic ideas of relativity undamentally. Its logical mistakes are rooted in that the inertial frame can not be defined or does not exist. Replacing the concept of inertial system with the concept of the “relative pair of source and observer” and re-describing the principle of special relativity, we can reach the right explanation and conclusion: on the one hand, brother A takes a loop of flying with the spaceship relative to brother B, on other hand, brother B too takes a loop of flying with the Earth relative to brother A; brother A looks himself still young at the age , but looks brother B getting older at the age ; brother B looks himself still young at the age , but looks brother A getting older also at the age . So both brothers are symmetric and equivalent. Several experiments show that all accelerations, including the gravitational acceleration do not influence the clock rate，so general relativity is not abl