12,800 years ago, Earth was struck by a disintegrating comet, setting off global firestorms
Via Knowridge.com March 17, 2018 According to modern theories of geological evolution, the last major ice age (known as the Pliocene-Quaternary glaciation) began about 2.58 million years ago during the late Pliocene Epoch. Since then, the world has experienced several glacial and interglacial periods, and has been in an inter-glacial period (where the ice sheets have been retreating) ever since […]
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