The planets and moons of our solar system offer a diverse collection of landscapes shaped by geologic processes that are generally familiar to our terrestrial experience. Over the past few decades, spacecraft and astronauts have visited them all, and scientists have begun to create a consistent framework with which to classify and understand their formation and evolution. The principles of geomorphology, once exclusively bound to Earth, can now be applied to these bodies, based on the detailed images and other data collected. While we must always resist a terrestrial bias, basic processes we observe on Earth, such as volcanism, tectonism, impacts, erosion, and deposition, create and modify the landscapes we see throughout the solar system.
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