右下方黄色而致密的麦克尼尔星云十分引人注目，它是一个新发现的变光星云。
Yellowish and even more compact, the recently discovered, variable McNeil's Nebula is prominent in the scene below and right of center.
在查尔斯·梅西方尔目录第51条列出的美国宇航局获得的图像表现的也许是最初的螺旋星云，它也被编为新总表（NGC）5194。
This NASA image obtained shows the 51st entry in Charles Messier's catalogue, perhaps the original spiral nebula, also catalogued as NGC 5194.
马泰赛和惠特迈尔分析了来自奥尔特星云的彗星轨道后，发现其中20%的彗星不是像你以为的来自于随机方向，而是来自于天空的某个狭窄区域。
When Matese and Whitmire analyzed the orbits of these Oort Cloud comets, about 20% of them seemed to come not from the random directions you'd expect, but from a narrower section of sky.
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