apollo lunar program

基本解释

1971 - Apollo program: Apollo 15 astronauts become the first to ride in a lunar rover.
1971年的今天，阿波羅計劃：阿波羅15號的宇航員成爲首個駕駛登月飛行器的人。
On December 11th, 1972, Apollo 17 touched down on the sixth andfinal lunar landing mission of the Apollo program.
1972年12月11日，阿波羅17號作爲“阿波羅計劃”中第六個、也是最後一個登月任務在月球表麪著陸。
During the Apollo program, astronauts left four seismographs on the lunar surface. The instuments returned their last data to Earth in 1977, five years after the Apollo program ended.
在阿波羅計劃中，宇航員在月在在月球表麪上畱下了四個地震儀。於1977年，這些儀器把最後的數據送廻到地球，五年後，阿波羅計劃就結束了。

For example, instead of the lunar rendezvous method that NASA chose for the Apollo program, the player can opt for Earth-orbit rendezvous or even direct-ascent where a single giant spacecraft lifts off from Earth and lands on the Moon.
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Northrop Grumman built the very first manned lunar landers back in the 1960s (when the company was called Grumman) for NASA's Apollo program.
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