Milky Way history

Science

Did a Cosmic Collision Leave a Mark on the Milky Way?

Did a cosmic collision leave a mark on the Milky Way? Discover how collisions with the Sagittarius dwarf galaxy have impacted our galaxy. Imagine our home galaxy, the Milky Way, as a calm, level pool of water. Now, picture a stone the size of 400 million suns being dropped into this serene scene. The moment the stone hits, the quiet…