Space dust fossils are providing a new window onto Earth's past
Tuesday, July 28, 2020 - 07:00
in Astronomy & Space
To be a meteorite hunter means to search for the unutterably rare. On any given patch of land the size of Wales, an average of two olive-sized space rocks will fall in a year. Scientists and collectors are forced to go to extreme lengths to find them, searching in deserts and Antarctica where they have a chance of spotting the stones against a plain background. But if that sounds like a challenge, then how about hunting meteorites that fell to Earth millions of years ago?