On a recent expedition to Antarctica, researchers discovered five perfectly-preserved meteorites that have likely been hiding beneath the ice for thousands of years.
Scientists recently scooped up one of the heaviest meteorites ever discovered in Antarctica, as well as four other frozen space rocks that likely crashed into the icy continent thousands of years ago.
"Size doesn't necessarily matter when it comes to meteorites, and even tiny micrometeorites can be incredibly scientifically valuable," expedition scientist Maria Valdes , a meteoriticist at the Field Museum in Chicago, said in a press statement ."But of course, finding a big meteorite like this one is rare, and really exciting."The meteorites were found on the surface of the ice in early January, but they did not crash to Earth recently.
Normally, scientists have to scour the ice sheets in hopes of stumbling across a meteorite. But the researchers were able to narrow down their search thanks to a study published Jan. 26, 2022, in the journal Science Advances , which used satellite data and a type of artificial intelligence called machine learning to identify parts of Antarctica where meteorite clusters were more likely to be brought to the surface. It was in one of those hotspots that the newfound meteorites were discovered.
The team covered a large area, which was strewn with other non-meteorite rocks of similar shapes and sizes. The researchers were constantly fooled by"meteor-wrongs," which looked similar to space rocks but were much lighter and originated on Earth, CNN reported.
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