美国航天局7月16日公布了部分经过修复、清晰程度更高的人类首次登月视频，以纪念美国宇航员登月40周年。
尼尔·阿姆斯特朗于1969年7月20日率先走下阿波罗11号飞船，踏上月球表面，首次在月球留下了人类脚印。
美航天局官员在16日举行的一个新闻发布会上特意对比了一些登月精彩瞬间修复前后的视觉效果，清晰版确实令人耳目一新。不过，美航天局强调，清晰版视频没有增添任何新内容，只是提高了清晰程度。
据介绍，宇航员们登月时拍摄的原始视频已经丢失，美航天局多方寻找仍然未果，因此清晰版视频并非来自原始视频，而是根据哥伦比亚广播公司当年的新闻节目、美国国家档案馆的纪录片以及航天局在澳大利亚的视频转换中心当年接收到的视频资料等修复而成。
据悉，上世纪七八十年代，美航天局曾有一段时间面临“录像带荒”，于是将一部分旧录像带重新使用，首次登月的视频很可能就在那段时间被“洗”掉了。
当天公布的部分清晰版视频由加利福尼亚州一家数码公司完成。美航天局已与这家公司签订合同，由其完成阿波罗11号登月全部视频的修复工作，预计这一工作将于9月份完工。
译文:
NASA shows Clear Version of First Lunar Landing by Man
NASA made public on 16th July the partially restored and clearer video showing first human landing on the moon, in commemoration of the 40th anniversary of US astronauts landing on the moon.
Neil Armstrong took the lead to step down from spaceship Apollo 11 on 20th July 1969, and land on the moon, leaving human foot prints on the moon for the first time.
NASA official at the press conference on the 16th particularly pointed out some contrasting visual effects of the pre and post restoration of the splendid moment of landing, with the clear version positively showing a refreshingly new look. However, NASA stressed that besides the clarity that has been enhanced, there is no new content added to the clear version of the video.
The introduction revealed, the original version of the lunar landing video shot by the astronauts had already been lost, and NASA tried to search for it without avail; the clear version video therefore did not come from the original video, but was restored from the news broadcast by Columbia Broadcasting System in that year, newsreel from the US National Archives and the video resources received by the NASA at the Australian Video Exchange Centre and so forth.
According to reports, in the 70s and 80s of the last century, NASA reused some old cassettes while confronted with a period of “video cassettes shortage”, and the video of the first lunar landing might have thus been “erased” during that period.
The portion of the video with clear version made public on that day was completed by a digital company in California. NASA has signed an agreement with the company entailing the company to restore the entire video of Apollo 11 Lunar Landing, and the task is estimated to be completed in September.
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