Diverse metallicities of Fermi bubble clouds indicate dual origins in the disk and haloDOI: info:10.1038/s41550-022-01720-0v. 6968–975
Ashley, Trisha, Fox, Andrew J., Cashman, Frances H., Lockman, Felix J., Bordoloi, Rongmon, Jenkins, Edward B., Wakker, Bart P., and Karim, Tanveer. 2022. "Diverse metallicities of Fermi bubble clouds indicate dual origins in the disk and halo." Nature Astronomy, 6 968–975. https://doi.org/10.1038/s41550-022-01720-0.