This story originally appeared on Ars Technica, a trusted source for technology news, tech policy analysis, reviews, and more. Ars is owned by WIRED's parent company, Condé Nast. Bubbles have long ...
The Fermi bubbles may have started life as jets of high-energy charged particles MINNEAPOLIS — Bubbles of radiation billowing from the galactic center may have started as a stream of electrons and ...