Can We Send a Probe to Proxima Centauri? Yes, But it May Get Banged Up On the Way There

Artist’s conception of a Breakthrough Starshot spacecraft, a tiny circuit board-like “wafer” attached to a lightsail. Image Credit: Breakthrough Initiatives

Now that we know that the closest star system to us has at least one planet, an Earth-mass and potentially habitable one at that, there is one big question that a lot of people are [...]