秋霞电影网理论片手机在线观看剧情介绍: "You mean to say," replied Barbicane, "to attain that neutral point where the terrestrial and lunar attractions are equal; for, starting from that point, situated about nine-tenths of the distance traveled over, the projectile would simply fall upon the moon, on account of its weight."
"So be it," said Michel; "but, once more; how could they calculate the initiatory speed?"
"Nothing can be easier," replied Barbicane.
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