A dynamically young and perturbed Milky Way disk

A dynamically young and perturbed Milky Way diskA dynamically young and perturbed Milky Way disk, Published online: 19 September 2018; doi:10.1038/s41586-018-0510-7An analysis of the motions of six million stars in the Milky Way disk reveals substructures such as snail shells and ridges, indicating that our Galaxy has been recently perturbed.

Source: Nature AOP - September 19, 2018 Category: Research Authors: T. Antoja A. Helmi M. Romero-G ómez D. Katz C. Babusiaux R. Drimmel D. W. Evans F. Figueras E. Poggio C. Reyl é A. C. Robin G. Seabroke C. Soubiran Source Type: research