M
Mike Wehner
Guest
- A distant star explosion could have been responsible for a massive extinction event on Earth.
- A new paper suggests that a star some 65 light-years from Earth may have exploded into a supernova, and that when the blast reached Earth it degraded our planet's atmosphere.
- Additional research could prove whether or not this supernova theory holds water.
Today, Earth is absolutely teeming with life. That wasn't always the case, of course, and over the eons, our planet has endured multiple catastrophic events that led to huge die-offs of many species. One particularly mysterious extinction event occurred roughly 359 million years ago. It's called the Late Devonian extinction, and scientists might have just figured out what caused it.
Many times, huge extinction events are blamed on things that happen right here on the surface of our world. A particularly devastating volcanic eruption, for example, can cast a worldwide shadow and lead to the death of plant and animal life. There have been plenty of theories as to why the Late Devonian die-off happened, but a new theory suggests its origins were actually otherworldly.
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A distant star explosion may have triggered mass extinction on Earth originally appeared on BGR.com on Wed, 19 Aug 2020 at 22:25:48 EDT. Please see our terms for use of feeds.
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