How exactly did one big rock from space kill dinosaurs on the other side of the planet? Â Here's an idea:
A paper in the Journal of Geophysical Research reviews the evidence for what its authors consider the most plausible model for global mayhem caused by the impact: its debris lit all the world's forests on fire at once.
Fire, fire, fire!
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Dinosaur-killing impact set the world on fire
Researchers argue forcefully that the ensuing heat set off global forest fires.
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A weak hypothesis. Â A more plausible scenario (than the global wildfire) is described here:
– Robertson DS et al. Survival in the first hours of the Cenozoic. Geological Society of America Bulletin (2004) vol. 116 (5-6) pp. 760-768 ugcs.caltech.edu/~presto/cenozoic.pdfÂ
BTW, two of the authors are the same.