What happened to the Dinosaurs?

2 years, 5 months ago

I am somewhat surprised that there has not been a discussion about this.

Have you ever contemplated what the hell happened ~65 million years ago that caused the dinosaurs to lose control, and eventually die off completely, of the planet that we now control? What do you think happened?

What would Earth be like if that comet/asteroid had not hit our planet ~65 million years ago? (This is widely accepted as the moment when dinosaurs began to lose control of the Earth)

The dinosaurs would have certainly continued to evolve, but how? Would something that looked like a dinosaur be staring at a computer right now, instead of you?

Please share your thoughts on the history of Earth. What are your beliefs? Are you interested in learning more about it? There is a lot to learn

The earth is fucking old! And its history is pretty awesome

August 6, 2012 at 5:07 pm

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Profile photo of Olivia Olivia (@lolivia) 2 years, 5 months ago ago

They never existed.

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Profile photo of Ben Ben (@cognizantelephant) 2 years, 5 months ago ago

Meteors / Mass flood would be the best guess.

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Profile photo of James James (@ilooklikeawaterbottle) 2 years, 5 months ago ago

@lolivia, that was pretty deep

@cognizantelephant, brilliant!

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Profile photo of Ray Butler Ray Butler M (@trek79) 2 years, 5 months ago ago

A comet or asteroid is one idea, or a super volcano. There is also the idea that all the herbivoures ate all their food supply and starved, with them gone all the carnivoures ate each other. Also the big time ice age is another theory and it is not a case of them being cold blooded, because a lot of academics are unsure of that lately, but because they were so big their hearts could not handle the strain the cold put on their large bodies.
Of course it could be a combination of all of the above: Asteroid/comet hits, mass iceage ensues, much plantlife dies off from lack of sun and too much cold, which also causes heart attacks in dinosaurs and many starve, with the rest turning on each other until the last carnivoure had no animals of accomodating size to sustain it. Mammals were too small and too hard to catch so they were not going to be any kind of solution.

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Profile photo of Joseph Joseph (@warriors41) 2 years, 5 months ago ago

They evolved into birds.

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Profile photo of Ray Butler Ray Butler M (@trek79) 2 years, 5 months ago ago

The chances of a comet or an asteroid hitting Earth are fairly astronomical. Between Mars and Jupiter there is a huge asteroid belt, hundreds of thousands, maybe millions of asteroids. You would think that increases our chances of being hit by one but that the belt, like a planet, has a gravitational well. This gravitational well draws back to it any stray asteroids, say if two big ones collide in the belt, one may be sent toward Earth but the gravitation of the belt is so strong, it will most likely be drawn back.
There are relatively few comets, as compared to the ammount of asteroids, zipping around our system, most do not and never will approach the sun anywhere near Earths orbit, but occasionally astronomers take interest in one, but they have thus far been way off.
I’d say the biggest threat would be if a comet slams into the asteroid belt, or one big mother of an asteroid, and the trajectory of the comet being inward towards the sun, the two massive objects may shatter into many, many smaller pieces, yet many of those pieces would still be large enough, and moving at a high enough velosity, to cause some major damage to Earthif one piece were to hit us. With many more pieces heading this direction, our chances of catching just one are more of a worry than any lone comet or lone asteroid hitting.
And that is probably what happened to the dinosaurs.

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Profile photo of Will Will (@cooper2023) 2 years, 5 months ago ago

I thought this was somewhat solved among scientists. While exploring these cave wells in the Yucatan Peninsula, geologists started mapping them out and discovered that they formed a massive, near perfectly geometric circle around the area. They speculated that this was the residue of an impact crater from a GIANT comet. Idk if they’re sure how exactly this killed them. Typical theories suggest that a massive dust cloud covered the earth and most vegetation died off, and a mass extinction followed. I heard one about it creating a monolithic hurricane ( a “hypercane”) that triggered terrible weather and climate patterns.

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Profile photo of Ray Butler Ray Butler M (@trek79) 2 years, 5 months ago ago

@cooper2023, Yes, I heard about that, I seen a doco on it, that no doubt could have been it. But there is no way it could have been a direct hit by a full comet, as I just explained is much more likely, simply because the size and speed of your typical comet would have been an Earth destroyer, there wouldn’t even be life now, there wouldn’t be much of a planet to speak of. So a shattered piece of comet is my bet.

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Profile photo of Dan Dan (@danfontaine) 2 years, 5 months ago ago

@trek79, “The odds of a comet or an asteroid hitting the Earth are fairly astronomical.”

OH YOU DON’T SAY

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Profile photo of Ray Butler Ray Butler M (@trek79) 2 years, 5 months ago ago

@danfontaine, You see what I did there?

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Profile photo of TheSkaFish TheSkaFish M (@theskafish) 2 years, 5 months ago ago

@trek79, Ray, have you ever seen the Star Trek: Voyager episode where the crew of Voyager meets a spacefaring race that turned out to have evolved from Earth dinosaurs?

http://en.memory-alpha.org/wiki/Distant_Origin_(episode)

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Profile photo of Ray Butler Ray Butler M (@trek79) 2 years, 5 months ago ago

@theskafish, yes I have indeedy. What is interesting about that episode is that it show you can tell if any two life forms, no matter how different they may be, you can tell if they came from the same planet by examining their genetics, dna and stuff. There are markers that a human has in common with a slug that can tell a geneticist that we are from the same planet. That is some awesome shit, that episode. I was even thinking of bringing it up, cheers.

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