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According to new research, there is finally solid proof that an asteroid did in fact kill the dinosaurs around 66 million years ago. While the most talked about theory was that an asteroid killed them, there have been other hypotheses such as volcanic eruptions or other global catastrophes.
Back in the 1980s, researchers discovered asteroid dust in the geological layer from the time of the dinosaur extinction. Then in the 1990s, experts confirmed that the Chicxulub impact crater was the same age as the geological rock layer. And now, it has been confirmed that asteroid dust has been found inside of the impact crater. “The circle is now finally complete,” stated Steven Goderis, who is a geochemistry professor at the Vrije Universiteit Brussel and who led the study.
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Ever since dinosaurs disappeared from the face of the Earth, researchers and archaeologists have been trying to figure out what exactly led to the extinction of thee, giant creatures. An asteroid impact on Earth is often believed to be the reason behind dinosaurs extinction. And now researchers believe that they have “closed the case” of what killed the dinosaurs. The researchers link the extinction with an asteroid based on one major evidence - they found asteroid dust inside the impact crater.
The new study is led by Steven Goderis, a geochemistry professor at the Vrije Universiteit Brussel, has been published in Science Advances on Feb. 24. The study is the latest to come from a 2016 International Ocean Discovery Program mission co-led by The University of Texas at Austin that collected nearly 3,000 feet of rock core from the crater buried under the seafloor.
The Melting of Large Icebergs is a Key Stage in the Evolution of Ice Ages
Written by AZoCleantechFeb 26 2021
A new study, in which the Andalusian Earth Sciences Institute (IACT) (CSIC-UGR) participated, has described for the first time a key stage in the beginning of the great glaciations and indicates that it can happen to our planet in the future. The findings were recently published in the scientific journal Nature.
Sampling an iceberg during the Powell 2020 research expedition close to the “Juan Carlos I” Spanish Antarctic Base/José Abel Flores. Image Credit: Universidad de Granada
The study claims to have found a new connection that could explain the beginning of the ice ages on Earth