Unlike customers, an individual can’t actually guess age a rock from examining it. But, you have noticed good news: ground is 4.6 billion years. Dinosaurs gone away about 65 million in the past. That corn-cob obtained in an ancient indigenous US fire pit is 1,000 years old.

How do boffins actually see these ages? Geologic period dating—assigning a years to materials—is a subject of its personal. Continue reading →