In Saint Petersburg found a dust because of which there came ice age
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The American scientists found in the territory of Saint Petersburg traces of space object which led to mass extinction on Earth. Article about this opening left in the scientific magazine ScienceAdvances, her author is professor the Chicago universities Khek Philipp. Hundreds millions years ago, as a result of collision with a huge asteroid, on Earth there came ice age. Traces of this space body were found on...