) After existing for 163 million years, the dinosaurs disappeared at the end of the Cretaceous Period, 66 million years ago. The Earth's appearance during the Mesozoic Era was quite different from its appearance today.The reason for the difference is that although the surface of our Earth seems rock solid, it is not. After existing for 163 million years, the dinosaurs disappeared at the end of the Cretaceous Period, 66 million years ago. The Earth's appearance during the Mesozoic Era was quite different from its appearance today.
When The World Was Black: The Untold History Of The Worldâs First Civilizations, Part One: Prehistoric Cultures (When The World Was Black: The Untold History Of The Worldâs First Civilizations #1) âIn this book, youâll learn about the history of Black people.
Dear Cecil: I just read your 1981 column on what would happen if the earth were swallowed by a black hole. I'm wondering how well this column holds up to current theory.â outlierrn, via the Straight Dope Message Board. Cecil replies: Not well.In fact, to hear some talk, it pretty much sucked at the time. just read your 1981 column on what would happen if the earth were swallowed by a black hole. I'm wondering how well this column holds up to current theory. â outlierrn, via the Straight Dope Message Board. Cecil replies: Not well. In fact, to hear some talk, it pretty much sucked at the time.