title: Nolosha Qadiimiga ah Oo Laga Helay Meelaha Ugu Weyn Yurub
abstract: Cilmi baarayaasha jaamacadda Linnaeus waxay heleen "sawirada faraha ee nolosha qadiimiga ah" ee Siljan crater ee Sweden, halkaas oo meteorite uu ku dhacay dusha sare ee Dhulka ku dhawaad 400 milyan oo sano ka hor.