And now, a bit of history. This map shows riverboat and wagon trails around in the 1830s.

The main goal was to get to Westport. Why That was the last place people could pick up supplies before heading west. There were also freshwater springs nearby.

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Wealthy tourists could occasionally persuade local diggers to provide a sneak peek of a newly uncovered tomb in the Valley of the Kings.

(Some of the women is discussing here took advantage of this opportunity!)

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Michael Light is a San Francisco-based photographer, whose work looks at the environment, cartography & geologic time.

Appropriately given 's exhibit, he's the author of a retrospective album of space photos. https://t.co/yL5ocP8MHm

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Check out this incredible "Family Portrait" of all the spacecraft that humans have sent to Further details and higher resolution scans via : https://t.co/Ar4nxoDrnv

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Grant: Zapping Martian minerals with X-rays resulted in diffraction patterns that suggested the presence of clays, which in turn implies the presence of water. And if there was water...then perhaps there was life?

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And if you can’t make it to KC, you can stream most talks on Facebook and tweet about them using

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Cool trivia fact from : The coat of arms of Pope Leo XIII (who re-founded ) features a comet!

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"The sight of a feather in a peacock’s tail, whenever I gaze at it, makes me sick!" -Charles (#LHLLive)

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