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.

The researchers found the mini hoard of meteorites on the surface of the Nils Larsen blue ice zone near the Belgian-owned Princess Elisabeth Antarctica station. Of the five meteorites, the standout was a cantaloupe-size rock that weighed a whopping 16.7 pounds (7.6 kilograms). Of the 45,000 meteorites discovered in Antarctica, only around 100 have been as heavy as this cosmic cannonball.

“Size doesn’t necessarily matter when it comes to meteorites, and even tiny micrometeorites can be incredibly scientifically valuable,” expedition scientist Maria Valdes(opens in new tab), a meteoriticist at the Field Museum in Chicago, said in a press statement(opens in new tab). “But of course, finding a big meteorite like this one is rare, and really exciting.”

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