The Nature of Impacts.. and their Impact on Nature (1995) [ TVRip (XviD) ]

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The Nature of Impacts.. and their Impact on Nature



BBC TWO

Open University

Original broadcast: 1995



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The earth has been under attack from objects of all sizes over its lifetime. Impacts from extraterrestrial objects have changed from a curiosity, only relevant in the earth’s formation and early history, to a now accepted importance as a major feature in the evolution of the planet, its climate and life itself.



We see how the evidence has accumulated for impacts of all sizes from a few tens of meters to 200 km. From Shoemaker-Levy 9’s multiple impacts on Jupiter to the moons abundant craters and the remains of craters on earth and other geological evidence, the importance and massive effects of these impacts is now fully appreciated.



This programme looks at ancient and recent events and studies how these impacts occur and shows us the immediate effects of impacts ballistically as well as their probable long term effects. Also included is a short film by Colin Pillager on Britain’s world cottage meteorite at the end.







Play Time: 28 min 41 s

Video Codec: XviD

Video Bitrate: 1248 kb/s

Video Size: 560 x 416

Video Framerate: 25 fps

Audio: MP3 , 48000Hz , 103 kb/s tot , Joint Stereo



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