spiral nebula

常見例句

• The spiral nebulae are impressive objects.
  旋渦星云是迷人的天體。
• Good spectra of the spiral nebulas are difficult to obtain because of their extreme faintness.
  旋渦星云因為非常暗，難以得到它們的清晰的光譜。
• With its six-foot-diamater primary mirror, the telescope allowed Rosse to discover the first spiral nebulae.
  由于它具有直徑6英尺的主鏡，這臺望遠鏡讓羅斯發(fā)現(xiàn)了第一個螺旋星云。
• By the 1920s, they began to realize that what appeared as the spiral nebulae consisted of remote stellar systems millions of light-years away.
  到了20年代，他們開始認識到，那些看來象是旋渦狀星云的東西是由幾百萬光年以外的遙遠星系組成的。
• M101 was also one of the original spiral nebulae observed by Lord Rosse's large 19th century telescope, the Leviathan of Parsontown.
  M101也是19世紀羅斯爵士的大型望遠鏡最初發(fā)現(xiàn)的旋渦星云之一，該望遠鏡曾是帕森鎮(zhèn)的巨獸。
• Solar system originated as a result of double spiral nebula synthesis
  太陽系起源雙螺旋星云復合成因說
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