Patrickm Shober News Today

One of the significant scientific outcomes from the lunar sample return missions (Apollo, Luna, Chang'e) has been the establishment of a chronology model that allows deducing the...

That means that of the tens of thousands of meteorites in collections around the world, likely none are from comets, leaving a significant gap in our understanding of the Solar System. When the Solar System formed, more than 4.5 billion years ago, a disc of dust and debris was swirling around the Sun. Over time, this material clumped together, forming larger and larger bodies -- some so large they swept up everything else in their orbit, and became planets. Yet some debris avoided this fate and...