Hubble-V, a glowing gas cloud in Barnard’s Galaxy.
Image credit: Hubble Heritage Team, ESA, NASA
(via sci-universe)
High resolution spectral calculation of Rossby Wave Instability in a Keplerian disk with thermal forcing. Vorticity field plotted. Red (yellow) corresponds to negative (positive) relative vorticity with respect to mean Keplerian state.
By Orkan M. Umurhan (source)