tiān / wén / xué / jiā / zuì / jìn / fā / xiàn / le / yī / kē / jù / lí / dì / qiú / yuē / 40 / guāng / nián / de / sān / hé / xīng天文学家最近发现了一颗距离地球约40光年的三合星。Astronomers recently discovered a triple star system about 40 light-years from Earth.