New theory reveals how dinosaurs died out – Previous scientists have long agreed that dinosaur annihilated by “impactor Chicxulub“, which caused a large crater off the coast of Mexico.

The team of experts also agreed with its impact, which wiped out nearly three-quarters of life on Earth. However, what remains a mystery is what kind of impact it actually had.

Scientists do not know whether the object is a comet or asteroid, where did it come from or how it could hit Earth with such tremendous force.

Answering these questions will not only explain the end of the dinosaurs, but also about the state of the solar system and Earth.

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Illustration of an asteroid hitting Earth. (Shutterstock)

New research published in the journal Scientific Reports, experts from Harvard University try to answer that question.

The experts analyzed data on objects flying around the solar system, and simulated how gravity would push them.

The team of scientists claims to have found a way to explain how the Earth was hit like that.

Scientists think that the journey of the object that wiped out the dinosaurs began in the Oort cloud, a comet shell that sits on the edge of the solar system.

A block of the comet was thrown from Jupiter’s gravitational path and sent it flying toward the Sun, which broke the rock into pieces.

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Such comets take a lot of time to circle the sun. Scientists call it a Sun herder and a long-period comet.

“The comet is so close to the sun that the part closer to the sun feels a stronger gravitational pull than the part further from the sun, causing tidal forces,” said Siraj, an undergraduate student involved in the research.

That causes an event called tidal disruption, so that large comets that come very close to the Sun break up into smaller comets.

Basically, on the way the comet breaks out, there is a statistical chance that this comet hits Earth.

However, this contradicts one of the other major theories about the origin of the collectors. Others say it is part of a larger asteroid originating in the asteroid belt between Jupiter and Mars.

Ilustrasi asteroid. (Shutterstock)
Ilustrasi asteroid. (Shutterstock)

Reporting from IndependentTuesday (16/2/2021), a new paper shows that objects that started life in the Oort cloud are more viable as part of the arrangement.

Research at the Chicxulub crater and other similar craters has shown that the object causing it is a relatively primitive object called a carbonated chondrite.

Such compositions are more likely to be found in Oort cloud objects than those from the asteroid belt.

The researchers say that the hypothesis can be tested with further study of the craters themselves, including similar ones on the Moon.

The team of experts hopes to use the Vera Rubin Observatory in Chile to observe comets and their behavior. The observatory will start operating next year.


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