Stardust in the Lab: What Samples from the Wild 2 Comet Taught Us About the Early Solar System
Imagine holding particles older than Earth itself, fragments that witnessed the birth of our solar system 4.6 billion years ago. These aren’t just any rocks or dust – they’re pristine samples from Wild 2, a comet that has remained virtually unchanged since the solar system’s infancy. When NASA’s Stardust mission returned to Earth in 2006 ...