After opening up that stubborn sample canister, NASA was finally able to weigh the full amount of asteroid bits snagged by its spacecraft more than three years ago. As it turns out, there is plenty of space rock that made its way to Earth.
After opening up that stubborn sample canister, NASA was finally able to weigh the full amount of asteroid bits snagged by its spacecraft more than three years ago. As it turns out, there is plenty of space rock that made its way to Earth.