mother teresa finally get their turn to touch the silver star. >> it's unbelievable to think that this is where jesus was born. >> every christmas, this is what we hear about. before i wasn't really sure about my faith, but now that i'm here, i'm seeing all of this, i love it. it's amazing. >> the christmas story is all about stars and light. in the gospels, a star leads the three wise men, the magi, to the newborn child. >> at that time when new stars were seen, it was usual the signal of the birth of a very important person. >> but could there really have been such a star on the night jesus was born? >> scientists do indicate there was extraordinary activity in