Galactic substructures
like the different neighborhoods in a big city
Technical definition
Large-scale structures within the Milky Way galaxy, such as giant stellar streams or tidal tails, that are thought to be the remnants of accretion events.
like the different neighborhoods in a big city
Large-scale structures within the Milky Way galaxy, such as giant stellar streams or tidal tails, that are thought to be the remnants of accretion events.