Which one of the five major circles of latitude that mark maps of the Earth at the north part. In the arctic circle, the sun never sets and it is hard sometimes to know whether it is daylight or nightlight for the visitors. In the most part of the world, it is well known that we experience 12 hrs. of daytime and 12hrs of night time and in particular seasons we also see stars and the moon. What can you say bout moon appearance or stars in the artic circle?