Research

New study reveals dinosaurs could have actually survived the asteroid-hit

New study reveals dinosaurs could have actually survived the asteroid-hit

As per the latest research, there was only a 13 percent of prospect of mass extinction experience that took place 66 million years ago and if the asteroid had collided on any other surface of the earth the dinosaurs would have survived.

That's according to a new study that claims there was only a 13 per cent chance that the rock, known as the Chicxulub Impactor, cause the catastrophe that it did.

The reign of dinosaurs could have possibly continued if the asteroid that crashed into Earth 66 million years ago had hit the planet elsewhere and not into the Yucatán Peninsula in Mexico, a new study has suggested. This is because the catastrophic chain of events could only have occurred if the asteroid had hit the hydrocarbon-rich areas occupying about 13% of Earth's surface.

To come to their findings the researchers calculated the amount of soot in the stratosphere and estimated climate changes that this would have caused using a model developed by the Meteorological Institute. The results are significant because they explain the pattern of extinction and survival. The researchers found out that they were mostly marine coastal margins, concentrated along shorelines, where algae could deposit more organic matter into the sediment.

They analysed the amount of sedimentary organic-matter in Earth to obtain readings of temperature anomaly caused by soot in the stratosphere.

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But that only happened because the rock landed in the right, or wrong, location, dropping onto areas rich in hydrocarbon.

The new study finds that had the asteroid impacted any of that other 87% of Earth, the dinosaurs might still be alive today. Therefore, these areas contained a high amount of organic matter, part of which became soot from the heat of the asteroid's impact. The drop could have been as drastic as 17°C over land and 5 to 7°C in the seawater, to a depth of 50 m (164 ft). A recent study shows that there was only a 13% chance of the mass extinction of the species, which occurred 66 million years ago, and if the asteroid, which wiped out the dinosaurs from our planet, had struck nearly anywhere except for where it actually did, the dinosaurs could have survived and who knows they could be our pets today, or we theirs!

The Tohoku team then examined how widespread these hydrocarbon-rich areas would have been at that time.

The impact might have been a stroke of bad luck for dinosaurs, but it also led to "the subsequent macroevolution and diversification of mammals", including humans, Kaiho and Oshima write. It is hoped that the results will lead to further understanding of the processes behind those mass extinctions.


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