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Dinosaurs WERE wiped out by giant killer asteroid rather than mega-volcanoes, scientists show The Sun

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DINOSAURS were wiped off the Earth by an asteroid, rather than volcanic action as several theories suggest, new study reveals.

The space rock struck the shore of Mexico 66million decades back, annihilating 75 percent of plants and creatures — such as the dinosaurs. )

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Scientists have pondered over what caused the mass extinction event which effectively stopped the Cretaceous era.

Most think an asteroid has been the offender, but a few have indicated that tens of thousands of years of volcanic eruptions might have been the true cause.

Brit researchers have shown that just the asteroid impact may have created conditions which made the world uninhabitable for dinosaurs.

They also imply the huge volcanism may also have aided life recuperate from the asteroid attack from the long-term.

An asteroid really did wipe out the dinosaurs 66million years ago

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An asteroid did wipe out the dinosaurs 66million decades agoCredit: Getty – Contributor

Lead researcher Dr Alessandro Chiarenza, of Imperial College London, stated:”The asteroid generated an effect winter for decades, and those ecological effects decimated appropriate environments for dinosaurs. )

“In comparison, the impacts of the intense volcanic eruptions weren’t powerful enough to interrupt global ecosystems.

“Our study confirms that the only plausible explanation for the extinction is the impact winter that eradicated dinosaur habitats worldwide.”

Research indicates the asteroid attack would have introduced debris and ash high into the air, blocking the Sun for decades and causing irreversible winters.

Researchers conducted an in-depth study using climate data and computer models

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Researchers conducted a comprehensive study using climate information and computer versions Credit: Getty Images – Getty

Volcanic eruptions also create pollutants and pollutants together with Sun-blocking effects, and around the time of their mass extinction there were thousands of years of eruptions in the Deccan Traps, in present-day India.

To ascertain if the asteroid or volcanism needed more climate-changing power, researchers have traditionally employed climate data and computer versions.

In the brand new paper they combined those methods together with advice about what sorts of environmental variables, like humidity and rain, each species of Paper required to flourish.

They then mapped where these states could nevertheless exist within a world after an asteroid attack or massive volcanism.

The team discovered that just the asteroid strike wiped out all of possible dinosaur habitats.

Volcanism left some workable areas around the equator, the analysis published in Proceedings of this National Academy of Sciences indicates.

Co-writer Dr Philip Mannion, from University College London, added:”We included a modelling strategy to crucial geological and weather data which reveals the devastating impact of this asteroid impact on international habitats.

“Essentially, it produces a blue screen of death for dinosaurs.”

A timeline of life Earth

The history of the world in a nutshell…

  • 4.6billion Decades ago — the source of Earth
  • 3.8billion Decades ago — original life seems on Earth
  • 2.1billion Decades ago — lifeforms Composed of multiple cells grow
  • 1.5billion Decades back — eukaryotes, which are cells that Have a nucleus Inside the own membranes, emerge
  • 550million Decades ago — first arthropods grow
  • 530million Decades ago — initial fish seem
  • 470million Decades ago — first land plants seem
  • 380million Decades ago — woods emerge Earth
  • 370million Decades ago — first amphibians emerge out of the water on soil
  • 320million Decades ago — oldest reptiles evolve
  • 230million Decades back — dinosaurs grow
  • 200million Decades ago — mammals seem
  • 150million Decades ago — oldest birds grow
  • 130million Decades ago — first flowering plants
  • 100million Decades ago — oldest bees
  • 66million Decades back — extinction of the dinosaurs
  • 55million Decades back — hares and rabbits look
  • 30million Decades ago — first cats grow
  • 20million Decades back — great apes grow
  • 7million Decades past –first human ancestors seem
  • 2million Decades past — Homo erectus seems
  • 300,000 years back — Homo sapiens evolves
  • 50,000 years back — Eurasia and Oceania colonised
  • 40,000 years back — Neandethal extinction

Shocking clip shows exactly what 500kilometers asteroid hitting Earth would seem like — unleashing fiery cataclysm across world

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In other information, scientists recently discovered the earliest proof of T-Rex style carnivorous dinosaurs in Australia.

A new species of dinosaur called the “Reaper of Death” was discovered in February.

And, a dinosaur using a star-like skull that dwelt 75million decades ago was named following David Bowie.

What’s your favorite dinosaur? Let us know in the comments!


We cover your own stories! Do that you have a story for The Sun Online Tech & Science team? Email us tech@the-sun.co.uk


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