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Space! It might not seem that different from Earth sometimes, because people in space have Vines and toilets and Matt Damons. But it is different from Earth. For one thing, floating water getting dyed looks mesmerizingly cool there. For another thing, space can kill you by turning your lungs inside out and boiling the water in your eyes. But let's try to forget that second thing by thinking about that first thing, the mesmerizing, cool water sphere being played with by space star Scott Kelly, who is on a year-long mission at the ISS:

Sources: NASA