Proxima Centauri is a red dwarf star and the star that is closest to us. It is the smallest star in the Centauri 3 star system. It is so dim that you need a telepscope to see it, even though it is the nearest star to us.
When I read things like that, I get many thoughts in my head. If a star is so dim that a planet has to be tidally locked to have a warm climate then what about planets that are much better a trapping heat. What would a Venus like planet be like orbiting Proxima? I thought that if a planet can trap more heat than it realeases then it could still be further away.
What do you think of Proxima Centauri and it's two companion stars? This is the article... Proxima Centauri