Latest / PlanetGeo: The Geology Podcast
How We Know What's Inside of the Earth (and Other Listener Questions)!
In this episode, we answer a series of really excellent listener questions.
Mrs. White, a high school teacher, assigned our plate tectonics episode to one of her A.P. classes and they came back with some great questions. Here they are:
1- how far have we drilled into the Earth and is there any hope of reading the mantle? We have drilled about 12 km which is a tiny amount. This took about 20 years to accomplish and the high temperatures inhibited drilling deeper.
2- what instruments to we use to determine the thickness and structure of the core and mantle since we don't have any direct…
The skinny
The skinny isn't ready yet — notes appear once the transcript is processed.