The first stars in an ancient globular cluster turned out different because the “dough” wasn’t mixed well. But the second generation came out smooth — clearly, someone did a good job with the spoon. This gives a clue to how the heaviest elements, like gold, were born.
🎯 M15 boasts one of the densest stellar regions: in its core, stars can be closer together than the distance from Earth to Alpha Centauri.
🎬 Science fiction writers have often placed ancient civilizations in globular clusters — these stellar metropolises seem like the perfect setting for a long history.