觀“嫦娥二號(hào)”發(fā)射成功有感

1、觀“嫦娥二號(hào)”發(fā)射成功有感今天，是國(guó)慶放假的第一天，我十分興奮，因?yàn)榻裉觳粌H是國(guó)慶61周年，而且今天載著我國(guó)第二顆探月衛(wèi)星“嫦娥二號(hào)”的“長(zhǎng)三丙”火箭已在群山環(huán)抱中的西昌衛(wèi)星發(fā)射中心成功發(fā)射。“嫦娥二號(hào)”探月衛(wèi)星是我國(guó)發(fā)射的第二顆探月衛(wèi)星是我國(guó)探月工程中“繞、落、回”三部曲中，“繞”的重要部分，它為未來(lái)“嫦娥三號(hào)”和“嫦娥四號(hào)”奠定重要的基礎(chǔ)?！版隙鸲?hào)”比“嫦娥一號(hào)”要先進(jìn)許多。它最大的亮點(diǎn)就是軌道的變化。曾經(jīng)關(guān)注過(guò)“嫦娥一號(hào)”的人都知道“嫦娥一號(hào)”并不是直接奔月，而是先繞地球三大圈，做引力加速，然后再以螺旋式的軌道奔月。而“嫦娥二號(hào)”是利用大推力火箭直接送上地月轉(zhuǎn)移軌道，直接奔月，這樣一來(lái)

2、，可比原來(lái)節(jié)省56天?！伴L(zhǎng)征三號(hào)丙運(yùn)載火箭”簡(jiǎn)稱“長(zhǎng)三丙”是“嫦娥二號(hào)”的交通工具?！伴L(zhǎng)三丙”屬于大推力火箭。它之所以可以直接把“嫦娥二號(hào)”送上地月轉(zhuǎn)移軌道，直接奔月是因?yàn)椤伴L(zhǎng)三丙”比“長(zhǎng)三甲”多了兩個(gè)固體燃料推助器。2010年10月1日18時(shí)59分57秒，托舉著“嫦娥二號(hào)”的“長(zhǎng)征三號(hào)丙運(yùn)載火箭”終于成功點(diǎn)火。19時(shí)整，隨著黃色煙霧和紅色尾焰的噴出，震耳欲聾的轟鳴聲在山谷中回蕩，火箭終于起飛了。“二、三級(jí)火箭分離”，“一、二級(jí)火箭分離”，“星箭分離”。這一個(gè)個(gè)成功的分離代表著“嫦娥二號(hào)”的發(fā)射任務(wù)圓滿成功了！“嫦娥二號(hào)”發(fā)射成功意味著我國(guó)的探月工程又邁出一大步，這也證明我國(guó)在航天領(lǐng)域又實(shí)現(xiàn)了

3、一次飛躍。在政治意義上，也在一次證明了我國(guó)的航天和科技技術(shù)十分先進(jìn)，總之，意義深遠(yuǎn)。qcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawgmer4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkagtgkqcwa3p tgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv

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