与水、风、土、火这些经典物质要素相比,我们人类在更大程度上是空气的产物。我们总是和大气保持着亲密的接触——或沉浸其中,或为了活下去而大口将它吸入体内,或受到其喜怒无常的天气的支配。尽管两者间的关系如此密切,可大气还是向我们保守了很多秘密。从诡异阴森之光到预示凶兆的炽热,从太空边缘泛着微光的缕缕冰柱到看不见的隐形潮汐,孕育这一切的策源地正是空气。甚至在高空的云端里,也潜伏着大嚼化学物质并因此而影响天气的生命。那么,在浩瀚无垠的天空里到底隐藏着什么秘密呢? Human beings are, to a greater degree, the product of the air than the classical material elements of water, wind, soil and fire. We are always intimate contact with the atmosphere - or indulging in it, or inhaling it in the mouth or being dominated by its moody weather in order to survive. Although the relationship between the two is so close, the atmosphere still keeps a lot of secrets to us. From the strange and gloomy light to indicate the fiery glow, gleaming from the edge of the space gleaming plume of icicles to invisible invisible tides, the breeding ground for all this is precisely the air. Even in the high clouds, there are lurking chemicals that chew and affect the weather. So what hidden secrets in the vast expanse of the sky?