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NASA's Kepler spacecraft uncovered the new planet, dubbed Kepler 16b, as it transited-or crossed in front of-both its parent stars, causing the brightness of each star to dim periodically.. 美国宇航局的开普勒飞船发现了称号为开普勒16 b的新行星，当它飞越或交叉在它的母恒星前面时，会造成了每颗恒星的亮度周期性地变暗。 - 2
NASA's Kepler spacecraft uncovered the new planet, dubbed Kepler 16b, as it transited—or crossed in front of—both its parent stars, causing the brightness of each star to dim periodically. 。 美国宇航局的开普勒飞船发现了称号为开普勒16b的新行星，当它飞越或交叉在它的母恒星前面时，会造成了每颗恒星的亮度周期性地变暗。 - 3
NASA's Kepler spacecraft uncovered the new planet, dubbed Kepler 16b, as it transited-or crossed in front of-both its parent stars, causing the brightness of each star to dim periodically... 美国宇航局的开普勒飞船发现了称号为开普勒16 b的新行星，当它飞越或交叉在它的母恒星前面时，会造成了每颗恒星的亮度周期性地变暗。
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