4.5-billion-year-old Sahara meteorite may be the first clue to a lost planet that vanished from our solar system |
A meteorite picked up from the sands of the Sahara has begun to complicate the quiet assumptions scientists often make about the early solar system. It is not the sort of object that draws attention at first glance, just a dark fragment of rock with odd mineral flecks caught under a microscope. Yet inside it…