Ankaa is the brightest star in the constellation of Phoneix. The earth like planet is the 9thh planet away from it star and the moon orbiting that planet is earth like as well.If you want to know more about the star Ankaa here
https://en.wikipedia.org/wiki/Alpha_Phoenicis
They are earth like because they are terras. Terra means similar to earth or a planet that has land and water. The planet does not have life on it. The planet probally will have life if we put some of our bacteria or microorganism on it and we need some oxygen as well