The Halo Array is a group of fictional megastructures and superweapons in the Halo science-fiction franchise, consisting of ringworlds known as Halos built by a structure known as the Ark. The Halo Array, sometimes known simply as Halo or the Array, is a network of colossal ring-shaped superweapons individually known as Halos. The Halo Array, Halos, alternatively known as the Sacred Rings by the Covenant, Fortress Worlds by their creators, Installations by the A.I. Monitors that. The gravitational effects of dark matter are well understood, as it behaves like a cold, non-radiative fluid that forms haloes around galaxies. From. Wikipedia. The Halo Array is a group of fictional megastructures and superweapons in the Halo science-fiction franchise, consisting of ringworlds known as Halos built. A hazy ring of colored light in the sky around the sun, the moon, or a similar bright object. It is caused by the reflection and refraction of light through ice. Definition of halo · 1: a circle of light appearing to surround the sun or moon and resulting from refraction or reflection of light by ice particles in the. All the halo finding codes tested could successfully recover the spatial location of our mock haloes. They further returned lists of particles . We use high resolution gas-dynamical simulations to describe a new class of field halo that passed through the haloes of both the Milky Way and. Definition: Halo phenomena: A group of optical phenomena in the form of rings, arcs, pillars or bright spots, produced by the refraction or reflection of.