Geology
Earth Tomography: How Seismic Waves Travel Inside Earth
We can’t physically go inside the Earth. But we use seismic tomography from earthquakes to see inside our planet. From Earth tomography, we create 3D models. […]
Inside Earth
Geology
What is Radioactive Decay Inside Earth?
Four radioactive isotopes inside Earth account for 50% of its internal heat. Like a slow cooker, they slowly release heat within the planet keeping it warm. […]
Geology
Mantle Convection: Earth’s Plate Tectonic Conveyor Belt
Under the rigid layer of rock we live on, the Earth is plastic & more dense. Because of its fluid properties, mantle convection can occur within the Earth. […]
Geology
5 Asthenosphere Facts: What is the Asthenosphere?
The asthenosphere is the unsung hero of our planet. This plasticky layer 80 to 200 km beneath Earth provides the necessary lubrication for plate tectonics. […]
Geology
Earth Crust: Oceanic Crust vs Continental Crust
Earth’s crust is all around us. It’s the layer we live on. But did you know that Earth’s crust is composed of oceanic and continental and oceanic crust? […]
Geology
Inside Earth: The Crust, Mantle and Core
All planets have layers. Inside Earth, we have a crust, core and mantle. Imagine a team of drillers who set out to drill a hole to the other side of Earth. […]
