STARS SPEWED OUT PRESOLAR GRAINS ALL OVER EARTH
As one may assume, presolar grains are older than the sun. They were thrown up by the stars in the universe hundreds of millions of years ago. Way before Earth had a solar system. By analyzing these ancient grains, scientists can trace the origins from the stars and how they got to Earth. Thanks to the wonders of technology, researchers can build computers simulating these star explosions to see if they came from something like