Night comes to the Cretaceous

by James Lawrence Powell

1998 250 pages eng

What killed the dinosaurs? For many years, this question has been one of the greatest unsolved mysteries in science. Then in 1980, a radical theory was proposed: 65 million years ago, an asteroid or comet as big as Mt. Everest, traveling at 100,000 miles per hour, struck the earth, throwing up a dus…