Diverse metallicities of Fermi bubble clouds indicate dual origins in the disk and halo

Published in Nature Astronomy, 2022

Recommended citation: Trisha Ashley, Andrew Fox, Frances Cashman, Felix Lockman, et al. "Diverse metallicities of Fermi bubble clouds indicate dual origins in the disk and halo." Nature Astronomy, 2022. https://arxiv.org/pdf/2207.08838.pdf