The harder you hit something—a ball, a walnut, a geode—the more likely it is to break open. Or, if it does not break open, it’s more likely to at least lose a little bit of its structural integrity, the way new baseball gloves do when players pummel them to make them softer and more flexible. Cracks—massive or tiny—form and bear a silent, permanent witness to the impact.
Click here for original story, Researchers explore how impacts ‘break in’ a new planet
Source: Phys.org