传说,两生花开,帝王星现;
水星、金星、地球、火星、木星和土星的轨道恰好符合这种模式;1781年发现的天王星也同样符合该定律。
The orbits of Mercury, Venus, Earth, Mars, Jupiter and Saturn fit neatly into this pattern; Uranus, discovered in 1781, also obeyed the law.
多年来,天文学家们受制于缺少合适的目标,以及望远镜力有不棣,直到2003年发现了一对特殊的脉冲星。
The lack of candidates and telescopic power had frustrated astronomers for years, until the discovery in 2003 of a particular pair of pulsars.
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