Pisces–Cetus Supercluster Complex is a galaxy filament. It includes the Laniakea Supercluster which contains the Virgo Supercluster lobe which in turn contains the Local Group, the galaxy cluster that includes the Milky Way. The Pisces–Cetus Supercluster Complex is estimated to be about 1.0 billion light-years (Gly) long and 150 million light years (Mly) wide.

The Laniakea Supercluster is in the Pisces-Cetus Supercluster Complex, a galaxy filament - one of the largest galaxy structures in the universe

The observable universe is approximately 93 billion light-years in diameter. This number is derived from several considerations. A light-year, the distance light can travel in one Earth year, is 9.46 trillion kilometres (5.88 trillion miles).