What Processes Shape Planetary Surfaces?
ES2708  To Boldly (But Thoughtfully) Go

Earth's surface has been modified both directly and indirectly by human activity. So far, that process has been limited to our own planet—or has it? As we explore our own and other solar systems, we must be mindful of the effects we have on those planets' surfaces.

Apollo astronaut boot print on the lunar surface.

10. Which type of surface process appears to occur only on Earth? Why?

11. How might humans shape the surfaces of other planets in the future?

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