Question: which child of loki is so large that it encircles the earth
Answer: In Norse mythology , Jörmungandr ( Old Norse : Jǫrmungandr , pronounced ( ˈjɔrmuŋɡandr̥ ) , meaning `` huge monster '' ) , often written as Jormungand , or Jörmungand and also known as the Midgard Serpent ( Old Norse : Miðgarðsormur ) , or World Serpent , is a sea serpent , the middle child of the giantess Angrboða and Loki .