Dinosaurs – it seems like they have become a part of our culture, even though they went extinct thousands of years ago. Children love to go through picture books about dinosaurs. Hollywood keeps spawning sequel after sequel of the Jurassic Park. Even amusement parks seem to have one dinosaur-themed ride in them. We love dinosaurs, even though we would probably have not survived if we lived in the time of dinosaurs.
One of the greatest mysteries about dinosaurs is their extinction. How did they suddenly stop existing? Many say it was an earthquake and other mention climate change. The most popular theory is that an asteroid collided with our planet and killed off all the dinosaurs. Well, the most popular theory is now getting a piece of ‘hard evidence’ to substantiate it. Scientists working at the University of Texas at Austin discovered an impact crater off the Gulf of Mexico. Inside it, they found soil and charcoal. It was swept inside by a tsunami backflow which took place within the first 24 hours of the impact, as per research. This meant that the asteroid blast resulted in the trees getting igniting for about thousands of miles away from the point of impact. It also triggered an inland tsunami which spread wide all over the Americas.
However, in the core of that impact crater, there was no sulfur discovered. This is a clear indication that about 325 million metric tons of sulfur were released into the air that very day. Due to this released, the climate of the sun would change since it will the sulfur particles will block out the sun. Once the sun gets blocked, it will end up cooling the earth. Once the cooling period began, the mass extinction of dinosaurs began.
So, the dinosaurs were first fried due to the igniting process and then, cooled and later, frozen, as per Sean Gulick, a research professor at the University of Texas Institute for Geophysics. According to him, for such a mass extinction, an atmospheric effect must be the cause.
The research was published in Proceedings of the National Academy of Sciences.
Feature Image Credit: Stocktrek Images via Getty Image
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