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外语原版纪录片《 The Search for Life: The Drake Equation (BBC) 》 - 纪录片1080P/720P/360P高清标清网盘迅雷下载
纪录片关键词：
The Search for Life: The Drake Equation (BBC),Aliens: The Big Think,Alien Neighbors,Are We Alone in the Universe,Are We Alone in the Universe (BBC),Documentary,Happy Birthday ET,How Big is the Universe?,Hunt for Aliens,Life on Mars (Horizon),Other Solar Systems
Science,Dallas Campbell,BBC,2010,English
纪录片内容简介:
General Information：
Science Documentary hosted by Dallas Campbell, published by BBC in 2010- English narration
Information
For many years our place in the universe was the subject of theologians and philosophers, not scientists, but in 1960 one man changed all that.
Dr Frank Drake was one of the leading lights in the new science of radio astronomy when he did something that was not only revolutionary, but could have cost him his career. Working at the National Radio Astronomy Observatory in Greenback in Virginia, he pointed one of their new 25-metre radio telescopes at a star called Tau Ceti twelve light years from earth, hoping for signs of extraterrestrial intelligence.
Although project Ozma resulted in silence, it did result in one of the most seminal equations in the history of science - the Drake Equation - which examined seven key elements necessary for extraterrestrial intelligence to exist, from the formation of stars to the likely length a given intelligent civilisation may survive. When Frank and his colleagues entered the figures, the equation suggested there were a staggering 50,000 civilisations capable of communicating across the galaxy.
However, in the 50 years of listening that has followed, not one single bleep has been heard from extraterrestrials. So were Drake and his followers wrong and is there no life form out there capable of communicating? Drake's own calculations suggest that we would have to scan the entire radio spectrum of ten million stars to be sure of contact.
The answers to those questions suggest that, far from being a one off, life may not only be common in the universe but once started will lead inevitably towards intelligent life.
To find out about the equation's influence, Dallas Campbell goes on a worldwide journey to meet the scientists who have dedicated their lives to focusing on its different aspects.
Technical Specs
HD Version
Video Codec: x264 CABAC High@L4.1
Video Bitrate: CRF 19 (~3037Kbps)
Video Aspect Ratio: 16:9
Video Resolution: 1280x720
Frame Rate: 25 FPS
Audio Codec: AAC-LC
Audio Bitrate: Q=0.45 VBR 48KHz (~129Kbps)
Audio Channels: 2
Run-Time: 59 mins
Number of Parts: 1
Part Size: 1.33 GB
Source: HDTV (upscaled)
Encoded by: JungleBoy
SD Version
Video Codec: x264 CABAC High@L3.1
Video Bitrate: CRF 22.0
Video Aspect Ratio: 16:9
Video Resolution: 832x468
Frame Rate: 25 FPS
Audio Codec: HE-AAC
Audio Bitrate: 128 Kbps ABR 48KHz
Audio Channels: 2
Run-Time: 59 mins
Number of Parts: 1
Part Size: 647 MB
Source: PDTV
Encoded by: JungleBoy
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外语原版纪录片《 The Search for Life: The Drake Equation (BBC) 》 - 纪录片1080P/720P/360P高清标清网盘迅雷下载
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发表于 2022-4-24 07:13:11