I've done some math relating to angular size, and M87's central black hole has an angular size of ~42 microarcseconds and Proxima Centauri B has a angular size of about ~35 microarcseconds. And so i think that with todays and developing technology we could get an image of Proxima Centauri B...
I think that Alpha centauri could host the closest Earth-like planet.
A study shows that 22% of G and K-type stars could have Earth-like planets orbiting in the habitable zone.
There are 9 Sun-like stars within 25 light-years. If we make the calculation, two of those stars could have an...