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Lab 2 - Lab 2 Planetary Surfaces Relative Dating What is a...

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Lab 2: Planetary Surfaces & Relative Dating
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What is a planetary surface? A planet with a solid surface records the events in the planets history that have modified that surface. These events include impact craters, volcanoes and lava flows, folding and faulting as well as erosion and deposition of materials at the surface by atmospheric processes driving wind, water and ice. Recent events generally leave the most clear and unmodified structures on the surface: structures from ancient events may be modified or even completed covered or obliterated by younger events. With the exception of Earth and its satellite, the Moon, the primary geologic information about the surfaces of the planets and their satellites must be gleaned from images, usually collected by digital cameras from spacecrafts passing the planetary bodies or going into orbit about the bodies. Information concerning the basic geological processes that have shaped the surface of the planetary body and often some of the history of the surface can be interpreted from these images.
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Moon example Illumination
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