Magnetism – A Cosmic Web

Physics, Space Sciences

Source : Quanta Magazine

Date : July 2020

Magnetic fields are present in our Universe, wherever we look at, on the Earth, the Sun, the Milky Way, clusters of galaxies, . . . and even in the interstellar void, connecting clusters of galaxies via gigantic filaments. The origin of these force fields is still unknown. One possibility could be that it was created at the (re)birth of our Universe. Therefore, it would be considered as primordial. Such an hypothesis could explain the current accelerated expansion of the visible Universe. Magnetism, together with gravity are the forces shaping out the large-structure of the cosmos.

Read more : Quantas Magazine, ScienceMag, SSRG, arXiv