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- 1970-1-1
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http://www.youtube.com/v/e3fqE01YYWs&rel=1
这段声音来自NASA官方发行的一张CD,是当年旅行者一号经过木星时所记录的“声音”——“声音”是由旅行者1号所接收到的复杂的电磁信号转换而来,这些电磁信号来自太阳风和木星强大的磁场。以下英文说明是这段声音的上传者所写的注释,因为本人英文水平有限全部翻译恐怕还需要一点时间,我也打算去NASA的网站找找看有没有更“官方”的说明,如果有新的收获我会立即更新这个帖子。
From an original CD: JUPITER NASA-VOYAGER SPACE SOUNDS (1990) BRAIN/MIND Research
Fascinating recording of Jupiter sounds (electromagnetic "voices") by NASA-Voyager. The complex interactions of charged electromagnetic particles from the solar wind , planetary magnetosphere etc. create vibration "soundscapes". It sounds very interesting, even scary.
Jupiter is mostly composed of hydrogen and helium. The entire planet is made of gas, with no solid surface under the atmosphere. The pressures and temperatures deep in Jupiter are so high that gases form a gradual transition into liquids which are gradually compressed into a metallic "plasma" in which the molecules have been stripped of their outer electrons. The winds of Jupiter are a thousand metres per second relative to the rotating interior. Jupiter's magnetic field is four thousand times stronger than Earth's, and is tipped by 11° degrees of axis spin. This causes the magnetic field to wobble, which has a profound effect on trapped electronically charged particles. This plasma of charged particles is accelerated beyond the magnetosphere of Jupiter to speeds of tens of thousands of kilometres per second. It is these magnetic particle vibrations which generate some of the sound you hear on this recording.
哈哈,感觉很多经典的科幻场景中都会有类似的声音出现,原来这种声音是真实存在的。:D |
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