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Check out new Bright Side MERCH (worldwide shipping!) at: Why do we look the way we look? Most of it’s down to our planet Earth, its atmosphere, gravity, that kind of stuff. When you go on a weeklong beach getaway, you get a tan. Basic. But what about living on a whole other planet? What would we look like if we lived on another planet of the Solar System? One astronaut spent a whole year living on the International Space Station. Zero gravity means no healthy pressure on your body, so his bones - got weaker. So did his muscles. It also gave him more space between his vertebrae, so he got a bit taller. And that’s only a year. The more time you spend at the beach, the darker your tan gets… so… What if we moved to Mars or Mercury?
