Having said that, discovering planets is not so uncommon. what is so special about these? >> well, there is something called the goldilocks zone. not too cold, not too hot. the star, which as you said is relatively close. only about 40 light years away. still pretty far that i earth standards. there are seven planets and at least three of them appear to be in the goldilocks zone. there is the possibility that water exists and that the building blocks of life are there as well. it is a bit pre mature to say there might be life there but it is an exciting discovery. kind of in our own backyard. ...