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汪诘:科学有故事(主打)

亿万年的孤独:11行星凌日、圣马力诺标度和国际公约

08 Jan 2017

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在第一颗系外行星被发现的 4 年后的 1999 年,好运气落到了美国加州理工学院的天文学家戴维·沙博诺身上,他有一天开始对一颗叫做 HD209458 的恒星感兴趣了,这颗恒星在不久前利用视向速度法发现了它有行星围绕。他利用哈勃望远镜对这颗恒星的亮度进行了观测并记录,结果,神奇的一幕发生了

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