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好国卡耐基大年夜教天文教家Scott S. Sheppard带收的研讨团队日前颁布收表,收明了躲正在阳光下的三颗新小止星 ,此中一颗推算直径达到1KM以上,是古晨已知最具对天球威胁的新天体。•据悉,三颗责任编辑:admin