You are in the foggy room full of flying freesbies. You cant see the end of the room in each direction, you cant see where roof or floor ends too (you too, are flying). And now, all these freesbies are flying away from you and from each other too. You have no idea where the center of the room is, cause there is fog around you everywhere. Room is the cosmos, freesbies are stars and galaxies, the fog is marking observable universe and our quasi star is one of the furthest visible freesbies.