A Way Out of the Bubble Trouble? - Upon Reconstructing the Origin of the Local Bubble and Loop I via Radioisotopic Signatures on Earth

Michael Mathias Schulreich, Dieter Breitschwerdt, Jenny Feige +1

Deep-sea archives all over the world show an enhanced concentration of the radionuclide ${}^{60}$Fe, isolated in layers dating from about 2.2 Myr ago. Since this comparatively long-l…