Heymsfield and colleagues flew smack-dab into the hole-punch discovery after having conducted a cloud study from a heavily instrumented turboprop plane near Denver International Airport in 2007.
海明斯菲尔德和同事们于2007年在丹佛国际机场附近的一个装备有许多仪器的涡轮螺旋桨飞机上展开云研究后不久就不偏不倚的发现了穿洞云。
But after further study astronomers realised that there were no stars in it, and so it must be a cloud of gas.
但是后来经过更深入地研究,天文学家们意识到那里没有任何星体,它只能是一团气体云。
The Small Magellanic Cloud, and its companion galaxy the Large Magellanic Cloud, are the two galaxies where this type of study is possible.
小麦哲伦星云和其伴生的大麦哲伦星云,是在可能进行这种研究的两个星系。
应用推荐