除了月亮和星星外，那里还有其他天体。
There are other heavenly bodies out there besides the moon and stars.
水银是液态金属，行星水星是肉眼能看到的运动最快的天体。
Mercury is a liquid metal, and Mercury, the planet, is the fastest moving heavenly body that naked eyes can see.
我们很难发现这类天体，更不用说用光学望远镜研究它们了。
We have trouble discovering those sorts of bodies, much less studying them using just optical telescopes.
天文学家必须从黑洞对周围可见天体的引力影响推断出不可见的黑洞的存在。
Astronomers must infer the existence of black holes, which are invisible, from their gravitational influence on the visible bodies surrounding them.
因此，人们对这一数值的准确性和找到火星和木星之间缺失的天体都感到非常兴奋。
So people got really excited about the validity of this thing and finding the missing object between Mars and Jupiter.
幸运的是，一些天体物理学家提出了一种通过控制海洋质量来探测宇宙中微子的方法。
Fortunately, a group of astrophysicists has proposed a means of detecting cosmic neutrinos by harnessing the mass of the ocean.
19岁那年，当我开始学习天体物理学时，作为教室里唯一的女生，我丝毫没有感到困扰。
At 19, when I began studying astrophysics, it did not bother me in the least to be the only woman in the classroom.
那是因为当时他们坚信，天体、太阳、月亮、星星和行星都是完美的，没有任何缺陷或瑕疵。
That's because of their belief at the time that the heavenly bodies, the Sun, Moon, Stars, and Planets, were perfect, without any flaws or blemishes.
当时的智慧来自于二世纪的天文学家托勒密，他的复杂天空体系把地球置于所有天体运动的中心。
The wisdom of the day was derived from Ptolemy, an astronomer of the second century, whose elaborate system of the sky put Earth at the center of all heavenly motions.
水银是一种液态金属，而水星这颗行星，是肉眼能看到的运动最快的天体。火星，为什么火星是红色的？
Mercury is a liquid metal, and mercury, the planet, is the fastest moving naked eye heavenly body. Mars, why is Mars red?
大量的抛射物撞击更大的天体，形成各种各样的陨石坑，包括“多环盆地”——在行星和卫星上观察到的最大的地质特征。
Massive projectiles striking much larger bodies create various kinds of craters, including "multi-ring basins"—the largest geologic features observed on planets and moons.
巨大的抛射物撞击更大的天体，创造了各种各样的陨石坑，包括多环盆地——这是在行星和卫星上观察到的最大的地质特征。
Massive projectiles striking much larger bodies create various kinds of craters, including multi-ring basins—the largest geologic features observed on planets and moons.
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