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" What these satellites do is they record light radiation that's reflected off the surface of the Earth in different parts of the light spectrum. We use false color imaging to try to tease out these very subtle differences on the ground. "

Sarah Parcak

Color

Try

Light

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" Satellite imagery is the only way we can map the looting patterns effectively. "

" Itjtawy was ancient Egypt's capital for over four hundred years, at a period of time called the Middle Kingdom about four thousand years ago. The site is located in the Faiyum of Egypt, and the site is really important because in the Middle Kingdom there was this great renaissance for ancient Egyptian art, architecture and religion. "

" All over the world, we're finding out that, you know, whether it's Egypt or Syria or Central America, what satellites are showing is that there are hundreds, if not thousands, of previously unknown settlements all over the world, and what archaeology does, it helps us to understand this common humanity that we have. "

" Archaeologists gave the military the idea to use aerial photographs for spying and field survey. We are fortunate that the spatial and spectral resolutions of the imagery available to us are so broadly useful for archaeology. "

Sarah Parcak

Military

Archaeology

" Satellites record data in different parts of the light spectrum that we can't see. And it's that information that allows satellites to be so powerful in terms of looking at things like vegetation health, finding different kinds of geology that may indicate an oil deposit or some kind of mineralogical deposit that can be mined. "

" I keep being surprised by the amount of archaeological sites and features that are left to find all over the world. "

" When you think about archaeology, archaeology is the only field that allows us to tell the story of 99 percent of our history prior to 3,000 B.C. and writing. "

Sarah Parcak

Writing

You

" What we did is we used NASA topography data to map out the landscape, very subtle changes. We started to be able to see where the Nile used to flow. "

" Seeing sites and features in places where we never looked or never thought things might exist is causing archaeologists across the world to think deeper about their sites or entire cultures. "

" Indiana Jones is old school; we've moved on from Indy. Sorry, Harrison Ford. "

" We want to excite the world about what's out there. But we don't want them to say, 'Oh, there are lots of sites in Egypt - let's loot.' "

Sarah Parcak

World

Egypt

" I hope my work contributes to understanding long-term patterns of human behavior and how we survive, thrive, or fail during times of environmental, social, and economic crisis. "

" You can theorize as much as you want about what you think you're seeing, but until you get out there and dig, you can't tell exactly what it is. "

" When a wall is slowly covered over by earth, the materials it's made from decay and become part of the soils around and above it, sometimes causing vegetation above and next to the wall to grow faster or slower. Satellite imagery helps archaeologists to pick up these subtle changes. "

" If you find a series of linear shapes in the same alignment as known archaeological features, and they match excavated examples, you still need to excavate to confirm, but you can be fairly sure that the imagery is accurate. "

" It's both Indiana Jones and 'National Geographic' that inspired me to be an Egyptologist. "

" WorldView-3 goes into the mid-infrared wavelength, allowing you to see very subtle geological differences on the sites at a 0.4-metre resolution. "

" I think archaeologists are stuck, and we are losing our past at a very rapid rate. Tens of thousands of sites will be lost, and we've only unveiled a tiny percent of the past. "

" The majority of the research I do is archaeological research, but to me, as a professor, the most important thing is to encourage and mentor students. "

" You just pull back for hundreds of miles using the satellite imagery, and all of a sudden this invisible world become visible. You're actually able to see settlements and tombs - and even things like buried pyramids - that you might not otherwise be able to see. "

" I'm an Egyptologist. I'm a remote sensing specialist, and I'm a space archaeologist. "

" What satellites help to show us is we've actually only found a fraction of a percent of ancient settlements and sites all over the world... It's the most exciting time in history to be an archaeologist. "

" How do you find a buried city in a vast landscape? Finding it randomly would be the equivalent of locating a needle in a haystack, blindfolded, wearing baseball mitts. "

" I am honored to receive the TED Prize, but it's not about me; it's about our field - and the thousands of men and women around the world, particularly in the Middle East, who are defending and protecting sites. "

" I predict that there are hundreds of thousands, if not millions, of undiscovered ancient sites across the globe. The only way to map them and locate them quickly is from satellites. "

" It's an important tool to focus where we're excavating. It gives us a much bigger perspective on archaeological sites. We have to think bigger, and that's what the satellites allow us to do. "

" It's absolutely critical, you know, to train young men and women not just to find sites, but also to protect sites, especially in the wake of the Arab Spring. There's been significant site-looting in Egypt and elsewhere across the Middle East. "

" If you look at the Nile on a map of Egypt, you don't think it has moved very much, but the river is very violent and has moved over time. "

" I give my grandfather, Dr Harold Young, a forestry Professor at the University of Maine, full credit for my career path. He pioneered the use of aerial photography in forestry in the 1950s, and we think he worked as a spy for the CIA during the Cold War, mapping Russian installations. "

" I've always loved teaching and reading and talking to people, and my grandfather was a professor. "