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KEPLER'S CHILDREN

机译:开普勒的孩子

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摘要

Dave latham had to be talked into making the discovery for which he's probably best known. One Friday afternoon in September 1984, Israeli astronomer Tsevi Mazeh, whom he'd never met, paid a visit to his office at the Harvard-Smithsonian Center for Astrophysics. Mazeh had an idea: Use the Center's "digital speedometer"-an instrument that measured the motions of distant stars by recording Doppler shifts in their spectra-to look for slight wobbles caused by the tug of Jupiter-size planets. Latham objected that his instrument wasn't nearly sensitive enough. It could measure these radial velocities down to a few hundred meters per second, but Jupiter's tugging effect on our sun, for example, is just 12 meters per second. What if the planet were much closer to its star, Mazeh wondered. Big planets don't orbit that close, answered Latham, citing then-current theory about how planets formed. Don't always be bound by what the theorists say, countered Mazeh.
机译:必须与戴夫·拉特罕(Dave latham)进行对话,以使他可能最出名的发现。 1984年9月的一个星期五下午,他从未见过的以色列天文学家Tsevi Mazeh造访了哈佛-史密森尼天体物理学中心的办公室。 Mazeh有个主意:使用中心的“数字测速仪”(一种通过记录光谱中的多普勒频移来测量遥远恒星运动的仪器)来寻找由木星大小的行星的拖轮引起的轻微摆动。莱瑟姆(Latham)反对他的乐器不够灵敏。它可以测量到每秒几百米的径向速度,但是木星对我们太阳的拉力作用仅为每秒12米。玛泽纳想知道,如果行星离它的恒星更近,该怎么办?莱瑟姆回答说,大行星并不会绕着如此接近的轨道运动,当时的理论是关于行星是如何形成的。反驳Mazeh的话,不要总是被理论家的话所束缚。

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  • 来源
    《Air and Space》 |2016年第3期|52-59|共8页
  • 作者

    TONY REICHHARDT;

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