57 reactions · 41 shares | Galaxy formation is a complicated process that unfolds over many millions of years.  See how advanced supercomputer simulations are helping us understand how these cosmic structures form ✨ by modeling the flow of gases that drive their evolution: https://go.nasa.gov/333ZRAi #SC19 | NASA Ames Research Center | Facebook

8.8K views · 152 reactions | Why Galaxies have Spiral Arms?! - The majestic spiral arms of galaxies are a source of wonder, but what exactly causes them to form? Is it the swirling dance of stars as they orbit the galactic center, or something more mysterious? Does the speed at which different parts of the galaxy rotate play a role? And why don't these arms simply wind up and disappear over time? | The Brain Maze | Facebook