Science
Second space rock struck Earth after the one that killed the dinosaurs – Business Insider
After a space rock struck Earth 66 million years ago — killing the dinosaurs — another asteroid hit, delaying Earth’s recovery…
About 66 million years ago, Earth took a one-two punch, according to a new study.
First came a space rock 6-miles-wide that struck present-day Mexico. The impactor, named Chicxulub, contributed to the demise of the dinosaurs, along with 50% to 75% of life…
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