Extinction Dinosaurs facts

While investigating facts about Extinction Dinosaurs Ark and Extinction Dinosaurs Movie, I found out little known, but curios details like:

If the history of the universe was condensed into a year, the Milky Way would form on May 15, life on earth would appear on September 21, and the dinosaurs would go extinct on December 30. Modern humans would evolve on December 31 at 11:52 PM and Columbus would discover America at 11:59:58 PM.

how did an asteroid caused the dinosaurs’ extinction?

If the asteroid that killed the dinosaurs arrived just 30 seconds later, it would have landed in deep ocean water which would have absorbed much of the force of the impact. The resulting extinction would have been less severe, many dinosaur species would have survived, and humans would not exist

What did the extinction of the dinosaurs lead to?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what led to the extinction of dinosaurs. Here are 50 of the best facts about Extinction Dinosaurs Asteroid Impact and Extinction Dinosaurs Turtle I managed to collect.

what caused the extinction of dinosaurs?

There were four mass extinction events before the one that killed the Dinosaurs. The most severe killed a staggering 97% of all species. All life on Earth today is descended from the 3% that survived.
The hoatzin is the last surviving species of a line of birds that diverged from all other birds 64 million years ago, just after the dinosaur extinction event, and that hoatzin chicks have claws on their wings
I learned that if the entire history of Earth is displayed with one year in a calendar dinosaurs would get extinct on December 25th and the first homo sapiens would appear around 11:36 pm on December 31th.
Under modern scientific classification Dinosaurs are not considered extinct, and instead live among us as birds.
The coelacanth, a fish thought to have disappeared with the dinosaurs until an amateur fisherman caught one in 1938, more than 66 million years after their supposed extinction
The dinosaur extinction event is marked by a thin layer of sediment all over the world, which contains 160 times as much Iridium as normal - evidence of the global devastation caused by an asteroid impact
There were 5 mass extinction events on earth, with the extinction of dinosaurs not even being the largest.
Sudbury, Ontario is located within the second largest known crater on Earth, formed by an impact larger than the asteroid that made the dinosaurs go extinct
Archaebacteria are considered to be one of the earth's oldest forms of life. They survived the extinction events that killed off the dinosaurs.
There are actually several craters dated to the extinction of the dinosaurs. In addition to 180 km Chicxulub crater, there is the 24 km Boltysh crater, the 20 km Silverpit crater, and the controversial and much larger 600 km Shiva crater, suggesting a multi-impact disaster.

extinction dinosaurs facts — What caused the mass extinction of the dinosaurs?

Why did birds survive the extinction of dinosaurs?

You can easily fact check why was the extinction of dinosaurs important by examining the linked well-known sources.

If Earth’s history was represented by 24 hours, the dinosaurs would have become extinct at 11:41pm and human history would have begun at 11:54:43pm.

Although most dinosaurs are extinct, they are not fully extinct because birds are considered dinosaurs.

That, besides the extinction event that wiped out the dinosaurs, there has been 4 other Mass Extinction events to occur millions of years apart that would nearly wipe out all life on earth. - source

The Shiva crater, a proposed asteroid impact site off the west coast of India over 500km across that if confirmed, would be the largest known impact site on earth, and a possible cause for the extinction of the dinosaurs and unusual northward drift of India

Fossils place the earliest penguin relative at some 60 million years ago, meaning an ancestor of the birds we see today survived the mass extinction of the dinosaurs. Also, all but 2 species of penguins mate in groups of thousands, that's right, penguins are orgy animals. - source

When was the extinction of dinosaurs?

That the dinosaur asteroid extinction hypothesis was only proposed in 1980

How did crocodiles survive the mass extinction of dinosaurs?

The beginning of the Cenozoic Era began when the Mesozoic Era ended and dinosaurs became extinct.

One of the first dinosaur bones discovered was interpreted as belonging to an extinct race of giant humans and was named 'Scrotus Humanum' for its resemblance to a human scrotus. Scientists later campaigned to have this title scratched from the record.

The asteroid impact responsible for the extinction of the dinosaurs created a megatsunami estimated to have been more than 100 m (330 ft) tall. Had the asteroid struck the deep sea (instead of a relatively shallow sea) the wave would have been 4.6 kilometres (2.9 mi) tall.

Dinosaurs were in steep decline before the K-T Meteor, with the last species representing only 14% of all species ever to have existed, and net speciation at -.2/Myears (A species going extinct every 5 million years)

During the Cretaceous there existed a group of bird-like animals called the Enantiornithes. These animals looked like birds but had reverse shoulder anatomy and became extinct with the asteroid that killed the dinosaurs.

When did the extinction of the dinosaurs occur?

In 1923 a paleontologist hypothesized that dinosaurs went extinct from arthritis, dental cavities, and infections

About the enzyme Orotidine decarboxylase. With it, the reaction it catalyzes takes 18 milliseconds. Without it, a reaction that started when the dinosaurs went extinct would still have 13 million years left to go.

The largest extinction in Earth's history marked the end of the Permian period, some 252 million years ago. Long before dinosaurs, our planet was populated with plants and animals that were mostly obliterated after a series of massive volcanic eruptions in Siberia.

Tyrannasorus Rex is a species of extinct beetle, not to be confused with dinosaur Tyrannosaurus Rex

The ride Dinosaur at Disney's Animal Kingdom was originally called Countdown to Extinction, and was toned down because it was too intense for children.

How did the extinction of dinosaurs affect the evolution of mammals?

The earliest form of grasses didn't exist until 60 and 55 million years ago, after the major extinction events that ended the age of dinosaurs and the Cretaceous period.

Plants and bivalves in Antarctica were little affected by the K/Pg extinction event, as they were already adapted to the cold and dark of the polar winter. This raises the possibility that other cold adapted fauna survived for longer in Antarctica, including dinosaurs.

The period after the dinosaur extinction was "the age of turtles". When 75% of Earth's species perished, 19 species of turtle survived a meteor impact stronger than 1 billion Hiroshima bombs.

There is a legendary creature said to live in the Congo River Basin called the Mokele-mbembe. It is believed by cryptozoologists to be a species of dinosaur that survived the K/T extinction and lived into modern times.

The Flora family of asteroids are most likely the culprit to the extinction of the dinosaurs, and the crater Tycho on the moon

Dinosaurs were already extinct, but 10,000 years ago American population faced the Glyptodon, a badass giant armadillo the same size and weight as a Volkswagen Beetle

200 species go extinct every single day. The only other time the rate has been this high was 65 million years ago when the dinosaurs were becoming extinct.

A huge volcanic eruption or the impact of an asteroid is believed to have caused the sudden extinction of dinosaurs.

A highly intelligent dinosaur called a "Troodon" had the largest relative brain weight of all dinosaurs, and had it not been for the big extinction, would have soon developed a brain size comparable to humans.

One dinosaur extinction theory says they were cooked alive in just 2 hours after the asteroid struck, as sand-size glass balls rained down all over the earth, causing global temperatures to reach 1200F.

The Himalayas began forming around 15 million years after the last dinosaurs went extinct.

The earliest known penguin fossil was found in 61.6 million-year old Antarctic rock, about 4-5 million years after the mass extinction that killed the dinosaurs.

Dinosaurs (except for birds) are now considered to have gone extinct 66 million years ago, instead of 65 million years ago

The "65 million years ago" so often quoted in science and cinema when talking about the extinction of the dinosaurs was actually found to be slightly inaccurate in 2013, when it was revised to roughly 66 million years ago.

All modern birds are now classified as theropod dinosaurs by phylogeneticists. And, since theropods have shrunk in body size since "the extinction of the dinosaurs" ~65 million years ago, tiny modern-day birds like the bee hummingbird are some of the smallest known dinosaurs in Earth's history.

This is our collection of basic interesting facts about Extinction Dinosaurs. The fact lists are intended for research in school, for college students or just to feed your brain with new realities. Possible use cases are in quizzes, differences, riddles, homework facts legend, cover facts, and many more. Whatever your case, learn the truth of the matter why is Extinction Dinosaurs so important!