The Alpha Centauri System

When we eventually develop the capacity to leave our solar system, we will be ready to visit countless other worlds. Where will we go first? Probably the closest system to ours, since it'll be the fastest. Which system is that? The Alpha Centauri System, with three stars, and at least one planet, which we think may even be habitable. What do they look like? What do we know about them? Let's find out!