Could asteroids bombard the Earth to cause a mass extinction in 10 million years?

via Principia Scientific International
http://ift.tt/1kjWLPW

Scientists have spent decades debating whether asteroids and comets hit the Earth at regular intervals. At the same time, a few studies have found evidence that the large extinction events on Earth – such as the one that wiped out the dinosaurs 66m years ago – repeat themselves every 26m to 30m years. Given that […]

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via Principia Scientific International http://ift.tt/1kjWLPW

June 23, 2017 at 10:37AM