%sun-like stars =>50%
%larger stars = >80%
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ahUKEwixqd2c0MzYAhUO6WMKHaO_DmgQFggsMAE&url=https%3A%2F%2Fwww.space.com%2F1995-astronomers-wrong-stars-single.html&usg=AOvVaw0jgQItk6QJFM8mCt6LcUXv
RE: Daily celestial challenge: structure