The ‘Earth next door’ may have a breathable atmosphere – and we could find out in 2 years – ScienceAlert

The funny thing about the discovery of Proxima b – the closest planet to our Solar System, which is also rocky, Earth-sized, and potentially habitable – is that nobody has actually seen it.

http://www.sciencealert.com/the-earth-next-door-may-have-a-breathable-atmosphere-and-we-could-find-out-in-just-2-years