英语翻译More precise data came from some good luck in timing:Fro

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/04/28 11:45:44

英语翻译
More precise data came from some good luck in timing:From 1985 to 1990,Pluto and Charon happened to be aligned in a way that made them eclipse each other every few days as seen from Earth—something that won’t happen again for more than 100 years.Detailed analysis of brightness variations during these eclipses allowed the calculation of accurate sizes,masses,and densities for both Pluto and Charon.These measurements confirmed that Pluto and Charon are both made of ice mixed with rock—just like comets.The eclipse data even allowed astronomers to construct rough maps of Pluto’s surface markings,which have not yet been explained (Figure 9.17b).

More precise data came from some good luck in timing: From 1985 to 1990, Pluto and Charon happened to be aligned in a way that made them eclipse each other every few days as seen from Earth—something that won’t happen again for more than 100 years. Detailed analysis of brightness variations during these eclipses allowed the calculation of accurate sizes, masses, and densities for both Pluto and Charon. These measurements confirmed that Pluto and Charon are both made of ice mixed with rock—just like comets. The eclipse data even allowed astronomers to construct rough maps of Pluto’s surface markings, which have not yet been explained (Figure 9.17b).

更多精确的数据来自时机上的巧合.1895年至1990年间,每隔几天冥王星便和卡戎（冥王星的卫星）碰巧排列在一起,各自使对方产生蚀,在地球上可观测到这一现象——一百多年后再也不可能发生.通过对发生蚀期间的天体亮度变化的详细分析,获得了冥王星和卡戎两个天体的精确尺寸、质量以及密度.这些测量结果证实了冥王星和卡戎都是由冰和岩石混合组成的天体——正如彗星一样.关于蚀的数据甚至使得宇航员制作出了冥王星表面大致的标记地图,此地图还未被详细说明（参见图表 9.17b）.

eclipse - 不知道天文学上专业叫什么,暂且翻译为“蚀”.

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