'Ice cube' clouds discovered at the galaxy's center shouldn't exist — and they hint at a recent black hole explosion
Sunday, July 20, 2025 - 04:23
in Astronomy & Space
Twin orbs of superhot plasma at the Milky Way's center known as the "Fermi bubbles" contain inexplicable clouds of cold hydrogen, new research reveals. They could help scientists figure out when our galaxy's black hole last erupted.