Asteroid dust likely killed dinosaurs, study finds
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PARIS — Around 66 million years ago, an asteroid smashed into Earth, killing off three-quarters of all life on the planet — including the dinosaurs.
This much we know.
But exactly how the impact of the asteroid Chicxulub — bigger than Mount Qomolangma, also known as Mount Everest — caused all those animals to go extinct has remained a matter of debate.
