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恐怖七分鐘?

「好奇號」降落會經歷恐怖七分鐘, 點解有「恐」呢個講法?

By ruby tse  (graduate) on 2012-08-07  Answers 1   Views 54

i can answer

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By Hin Ng (middle-school student) on 2012-08-08

好奇號」會以時速二萬一千的公里的高速進入火星大氣層頂部,抵受2093度高溫,之後啟動火箭推進器減慢及控制速度,並張開降落傘,緩緩降落。這個過程歷時約7分鐘, 所以有這說法。

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