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my name is Michael Abrams i work at

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NASA's Jet Propulsion Laboratory in

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Pasadena California I am the US pastor

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science team leader we'll begin our fly

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over the state of California around the

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Southern California area and Catalina

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Island we're only looking at the state

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of California here for you to get an

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idea of what this data set looks like

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this is part of the Aster digital

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topography data set and then the color

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image that's draped over it is also

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derived from aster optical data the

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speed will fly at is about the time it

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actually takes the satellite to cover

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the same amount of distance at the

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bottom is the island of Catalina with

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some clouds on its southern shore we

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turn over the palace ferdi Peninsula and

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the LA basin the downtown area we're

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pointing directly now at the San Gabriel

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Mountains and the Jet Propulsion

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Laboratory where I'm sitting right now

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the sharp boundary between mountains and

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desert is the San Andreas Fault the San

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Joaquin Valley the Great Valley as it's

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called occupies most of the state of

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California the San Andreas Fault a sharp

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trench forms the boundary between the

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Pacific plate on the west and the North

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America play on the east approaching now

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the San Francisco Bay Area San Andreas

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Fault is sharply defined in the

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foreground we can see San Andreas lake

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from which the fault was named or

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approaching the San Francisco Bay

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Peninsula and crossing the Golden Gate

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Bridge going into Marin County now as we

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proceed into Northern California we

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cross like almond lure in the far

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distance the hill you see on the horizon

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is Mount Shasta rising to over 14,000

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feet most of it is above the tree line

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so you don't get the green color of the

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vegetation snow covered the entire year

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with glaciers Mount Shasta one of the

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with chasteneth a smaller volcano on its