Derek Ward-Thompson (Derek Ward-Thompson) and his colleagues at Cardiff University (Cardiff University) believe that the cause of the collapse of agriculture, famine and epidemics of bubonic plague in Europe in the sixth century AD was a collision of a comet with the Earth.
Scientists have calculated that a relatively small comet or a fragment thereof, could have made a huge amount of dust to rise into the atmosphere, closing the sun for months. Crop failure and famine plague allowed to freely spread of physically impaired people.
Studies of tree rings — Irish oaks and pines ancient American — have shown that the growth of plants around the world virtually stopped between the years 536 to 545 AD.
Chinese historians of the time wrote about the "veil of dust," darken the skies. Mediterranean chroniclers have left evidence of a "dry fog" that has absorbed most of the heat of the sun for almost a year.
British scientists have put forward two versions of the disaster, to prevent photosynthesis. First — it's super-volcano eruption, and the second — the fall of an asteroid or comet.
But there is no evidence of a second version of "evidence" like no crater. So Thompson suggests that a small comet less than a kilometer in diameter exploded in the Earth's atmosphere.
Battery News, 04.02.2004 16:21