tiān / wén / xué / jiā / lì / yòng / wàng / yuǎn / jìng / guān / cè / yáo / yuǎn / de / bàng / xuán / xīng / xì天文学家利用望远镜观测遥远的棒旋星系。Astronomers use telescopes to observe distant barred spiral galaxies.