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Along the way, we'll learn how stratigraphic succession and radioactive decay contribute to the work of paleontologists.Consider the following scenario: Paul the Paleontologist is a very famous scientist who has studied dinosaur bones all over the world.This series shows the physical processes and human activities that shape our planet.
This program traces the development of astronomical theory with discussions of the discoveries of Copernicus, Galileo, Kepler, and Newton.Before the advent of absolute dating methods in the twentieth century, nearly all dating was relative.The main relative dating method is stratigraphy (pronounced stra-TI-gra-fee), which is the study of layers of rocks or the objects embedded within those layers.Recently, he appeared on the evening news to talk about a new dinosaur he just discovered. Paul says he can tell from the fossils that superus awesomus lived on Earth about 175 million years ago.Paul is super awesome, so I'm going to take him at his word.
Each original isotope, called the parent, gradually decays to form a new isotope, called the daughter.