when was the Hubble telescope launched into space?请问为什么用was来提问,而不是用does来提问,发射是动作,不应该是do一类的词来提问吗,

when was the Hubble telescope launched into space?请问为什么用was来提问,而不是用does来提问,发射是动作,不应该是do一类的词来提问吗, 英语翻译The Hubble,when it was launched,represented an increase in capability of other telescopes on the ground by a factor of ten.The last time in human history in astronomy that we leaped a factor of ten,in one step,was when Galileo stopped usi Right from the start there was trouble with the Hubble.right在句中是什么意思,做句子的什么成分. 一道奇怪的英语题.The fact that ____ was discovered in 1923 by the astronomer Edwin Hubble.A) the expansion of the universeB) the universe is expandingC) the universe,which is expandingD) when the universe expands真是不可思议啊!答案 The Hubble will be sending us clear pictures _____it is above the earth's stmoshphere.A when B while C beacuse 一一排除.说明为什么 , when the boy was right from the start there was trouble with the Hubble.请问right 是词组还是什么和start什么关系,然后with又是什么词组, the main mirror of the Hubble ______A.had problems B.was distant C.was the clearest D.requires repairs请参考一下课文：The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.Right from the sta The Hubble was launched by NASA.It was____(a)sent into space(b)carried away(c)put up(d)taken up trouble with the hubble ( 中译英)帮我看看哪错了呀?Friday November.19th 2010 CloudyHubble telescope was launched into space by NASA on April 20th.1990,which cost more than a billion dollars.Hubble had some problems from the beginning.The pi when was the book published? when was the car invented when was the birthday party when was the machine produced when was the meal?意识 hubble-bubble trouble是什麼词性?Right from the start there was trouble with the Hubble.从字典上查trouble有名词和动词两个词性。上面这名话中trouble是什麼词性？ the day when the article was written