Though there have been past hints of the existence of other planets that circled double stars, scientists said this is the first confirmation.

科学家称，虽然一直有迹象表明某些行星可能拥有双恒星，但本次的发现第一次使这种说法得到证实。

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On Wednesday, Dr. Welsh and his colleagues announced that they have confirmed the existence of two more alien planets in distinctive double-star solar systems in the constellation Cygnus.

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