What Happened Right After The Dinosaurs Disappeared?
About 66 millions of years ago, at the end of the cretaceous period, the planet lost its dinosaurs.
But how did dinosaurs went extinct?
Of course, this happened because of a global catastrophe, but do you know what happened right after the mass extinction?
If we could go back in time for a while, we would find a world completely different than we’re used to thinking today: we would find a planet that was almost destroyed by a meteor strike.A suffering planet. A desolate planet.
The same planet that learnt how to get back on track.
Our planet Earth.
Follow me on this journey back to 66 millions of years ago, to find out what happened in the first minutes after the dinosaurs disappeared: I promise you’ll be amazed.
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WHEN
AT THE END OF THE MESOZOIC ERA.
The Mesozoic (“middle life”) is one of three geologic eras of the Phanerozoic Eon, preceded by the Paleozoic (“ancient life”) and succeeded by the Cenozoic (“new life”). The era is subdivided into three major periods: the Triassic, Jurassic, and Cretaceous, which are further subdivided into a number of epochs and stages.
WHAT HAPPENED
A HUGE ASTEROID COME AND CRUSHED INTO THE EARTH (even if scientists still argue about this).
THE DIAMETER OF THIS CELESTIAL BODY WAS SOMETHING LIKE 11 TO 80 KM.
It might be the size of the city of Washington DC.
Such a collision couldn’t pass without a trace: the world changed in an instant.
This is how dinosaurs died.
CHAPTER I: TOTAL DEVASTATION
Actually, around 75% of Earth’s animals, including dinosaurs, suddenly died out at the same point in time.
So how was it all caused by a rock hurtling into the coast of Central America?
Let’s explain it in a better way.
The asteroid hit at high velocity and effectively vaporised.
CHAPTER II: LIGHTS OFF AND MEGA TSUNAMIS
A huge blast wave and heatwave went out and it threw vast amounts of material up into the atmosphere.
CHAPTER III: CONSEQUENCES ON FOOD CHAIN
Like dominos, this trailed up the food chain, causing the ecosystem to collapse.
The reduction in plant life had a huge impact on herbivores’ ability to survive, which in turn meant that carnivores would also have suffered from having less food available.
CHAPTER IV: CONSEQUENCES ON GLOBAL CLIMATE CHANGE
The blame can’t solely rest on the asteroid. Before its crash landing, Earth was experiencing a period of climate change. This was making things harder for life on our planet.
CHAPTER V: Surviving and recovering
These events were indescribably destructive. The asteroid impact that ended the Cretaceous period shut down photosynthesis for years and caused decades of global cooling. Anything that couldn’t shelter from the cold, or find food in the darkness – which was most species – perished. Perhaps 90% of all species disappeared in just a few years.
Could the dinosaurs have survived?
There is research to suggest that if the impact had occurred elsewhere on the planet, the fate of life on Earth could have been very different.
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