Shocking finding! Ancestors of humans survived asteroid strike that killed dinosaurs | Tech News

Shocking finding! Ancestors of humans survived asteroid strike that killed dinosaurs

A mass extinction srudy provides startling information about our ancestors surviving the asteroid strike 66 million years ago that brought about the extinction of dinosaurs.

| Updated on: Jul 05 2023, 21:26 IST
5 huge Asteroids approaching Earth, NASA warns
Dinosaurs and asteroid
1/5 Asteroid 2023 MU2- The asteroid will make closest to the earth on 25th June, According to NASA, the asteroid is 16 feet wide. The asteroid is moving at a speed of 16266 kilometers per hour and it will get as close as 135,000 miles to Earth. (NASA)
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2/5 Asteroid 2023 MF1- This is a 120 feet wide asteroid, it will make its closest approach to Earth on 25th June. The asteroid is already rushing towards Earth at a speed of 63986 kilometers per hour and will pass the Earth at a distance of 1,200,000 miles. (NASA)
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3/5 Asteroid 2023 MD- This asteroid is 90 Feet wide and it will be the closest to the Earth on 25th June. It is traveling towards the Earth at a speed of 14825 kilometers per hour. It will come as close as 1,660,000 miles. (NASA)
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4/5 Asteroid 2023 ME1-  The close approach of Asteroid 2023 ME1, a celestial body comparable in size to an airplane that is 88 feet wide, is set to occur on June 26. Racing towards Earth at an impressive velocity of 43685 kilometers per hour, this asteroid will narrowly miss our planet, passing by at a distance of 3.03 million miles. (NASA)
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5/5 Asteroid 2023 MS2- On June 27th, the asteroid will come closest to Earth, as stated by NASA. Its width is reported to be 120 feet, and it is currently moving at a speed of 39770 kilometers per hour and will pass the Earth at a distance of 2,360,000 miles. (NASA)
Dinosaurs and asteroid
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Latest finding on asteroid strike that caused mass dinosaur extinction. (Pixabay)

There are various studies which show that an asteroid strike on the Earth caused the mass extinction of dinosaurs. While that was a fact, there was a lot of speculation about whether human ancestors were present during the age of dinosaurs or whetherthey came well after the catastrophic event. A recent study has made a shocking suggestion.

According to the study by researchers from University of Bristol in the UK and the University of Fribourg in Switzerland, human ancestors such as dogs, bats, and humans co-existed during the Cretaceous era alongside the dinosaurs.

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The fossil studies of mammals show that they existed 66 million years ago. The molecular data shows that the mammals are older than the Cretaceous Paleogene (K-PG), which also proves that dinosaurs and placental mammals co-existed!

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Findings on placental mammals' existence before mass extinction

The study which was published in the journal Current Biology. clearly shows that the placental mammals existed before mass extinction although the modern lineage of mammals started evolving after the mass event.

As per the research conclusion, there is approximately a 21.3% chance that 380 placental mammal families co-existed during the dinosaur's age.

The mammal families comprised the ancestors of mammals, dogs and cats, rabbits, and hares. Furthermore, the study agreed with prior molecular data, indicating that placental mammals have mostly similar ancient origins.

During the study, thousands of fossils of placental mammals were examined to find the pattern of their origin and extinction which researchers to find out when the families actually started to evolve.

This statistical research will also help scientists in further classification of fossil digitization and organism classification and this will help solidify the claims that are being made.

"By examining both origins and extinctions, we can more clearly see the impact of events such as the K-Pg mass extinction or the Paleocene-Eocene Thermal Maximum (PETM)," says University of Bristol paleobiologist Phil Donoghue.

According to NASA, the asteroid had hit the Yucatan Peninsula, Mexico. It is called the Chicxulub impact crater. Scientists believe the crater was formed by an asteroid. It led to a major biological catastrophe where more than 50 percent of the Earth's species, including the dinosaurs, became extinct.

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First Published Date: 05 Jul, 18:35 IST