In case you didn't hear, there is an Earth-sized planet orbiting the closest star to us—the red dwarf Proxima Centauri—and it is within the star's habitable zone where liquid water could exist. At 1.3 times the mass of Earth, Proxima B is possibly rocky, could have an atmosphere, and most importantly, it's only 4.2 light years away. In other words, the closest planet to us that doesn't orbit the sun, could possibly, potentially harbor life.
So how can we get there to find out?
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