用“NGC 51”造句大全，NGC 51造句

Featured in this sharp telescopic image, globular star cluster Omega Centauri (NGC 5139) is some 15, 000 light-years away.

這幅高清望遠鏡圖像顯示的是距地15 000光年的半人馬座歐米伽球狀星團（NGC 5139）。