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We are the detectives of the past, and we have to figure out what happened.
太空考古学：卫星图像与失落文明发掘
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Peru is super special archaeologically because this is one of the cradles of civilization.
太空考古学：卫星图像与失落文明发掘
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It's where civilization actually arose from nothing.
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A little over a hundred years ago, here in Bingham, went to Peru
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and relying on local knowledge found this crumbling city in the middle of the rainforest.
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At the time, he used state-of-the-art photography equipment to record what was there.
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It was the first scientific archaeological expedition that National Geographic funded.
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And in some ways it helped to launch our modern age of archaeology.
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So the idea of applying new state-of-the-art technology to map sites in Peru
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feels like a natural extension of what here in Bingham did over a hundred years ago.
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One of the dreams of archaeology has always been to look from above.
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As drones became available five or six years ago, archaeology jumped at this opportunity.
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Finally, we can fly above our excavations and take a picture
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that reveals everything that we have been seen from below.
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Now, if you simply go up, up, up into the space and look down with a camera,
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you get the same time to look at not one square mile, but many square miles.
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And then you can focus on specific items that you think are important.
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Space archaeology is the study and the use of satellite images
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for mapping ancient archaeological features and environmental features
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by looking at different parts of the light spectrum.
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We see subtle changes on the Earth's surface caused by what's buried beneath.
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And what satellites help us to do is pinpoint areas
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and we know to within a few meters exactly where something is
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from thousands of miles away.
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We're the generation with all the tools and all the technologies
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to be able to map sites and protect them.
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And using these new technologies, we have a real chance
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to protect and preserve these sites for future generations.
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Thank you.
太空考古学：卫星图像与失落文明发掘
视频理解与推测 (Video Comprehension)
严格对应教材 Page 167–168 官方练习：Before You Watch 与 While You Watch 太空遥感与无人机考古辨析。
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Definitions (p.167) to understand or solve something
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Definitions (p.167) to find or show the exact position of something
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Definitions (p.167) not immediately obvious or noticeable
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Definitions (p.167) very modern and using the latest ideas and methods
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Gist (p.168) Which topic is covered in the video?
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Gist (p.168) Which topic is covered in the video?
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Gist (p.168) Which topic is covered in the video?
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Evaluating Statements (p.168) Drones are generally more useful to archeologists than satellites in space.
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Evaluating Statements (p.168) Space archeologists study satellite images by looking at different parts of the light spectrum.
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Evaluating Statements (p.168) Satellites help archeologists pinpoint locations with an accuracy of within just a few centimeters.
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Evaluating Statements (p.168) Space archeology has led to a reduction in looting.
Critical Thinking · Citizen Science with GlobalXplorer
In 2017, archaeologist Sarah Parcak launched GlobalXplorer, inviting internet volunteers to inspect satellite tiles for looting pits. How does crowdsourcing accelerate heritage protection?