How do scientists know that a meteorite killed the dinosaurs?
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while they don’t KNOW it for sure what they know is that they haven’t found dinosaur fossils newer than about 65 million years old, and approximately 65 million years ago there was a massive meteroite impact in Chicxulub (they know when it was based off geological science that would be too complicated to explain to a 5 year old but basically meteors do special things to the surface when they hit and they can see when that happened by looking at rock layers) and we know that massive asteroid impacts disrupt the environment in certain ways so it stands to reason that the Chicxulub impact created an extinction event that “killed” the dinosaurs (although “killed” is a bit of a misnomer because a fair number of them evolved into modern day birds)
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