mantle
Earth is Hiding Another Planet Deep Inside
Earth's early history is marked by massive collisions with other objects, including planetesimals. One of the defining events in our…
How did Earth go From Molten Hellscape to Habitable Planet?
Earth formed from the Sun's protoplanetary disk about 4.6 billion years ago. In the beginning, it was a molten spheroid…
What’s it Like Inside a Super-Earth?
We know a ton about the inside of Earth. We know it has both an inner core and an outer…
It Looks Like There are Still Active Volcanoes on Venus
Venus' surface is no stranger to volcanoes. Radar images show more than 1,000 volcanic structures on the planet. But for…
How Do Volcanoes Erupt?
Volcanic eruptions are driven by a combination of mechanisms, which include pressure and heat in the Earth's mantle, as well…
What is the Difference Between Lava and Magma?
The difference between lava and magma, which is rather important when it comes to volcanic activity and geology, is just…
What Is The Surface of Neptune Like?
As a gas giant, Neptune has no surface, in the traditional sense. But atop its cloud layers, some pretty amazing…
What is the Earth’s Mantle Made Of?
Like all the other terrestrial planets, (Mercury, Venus, and Mars) the Earth is made up of many layers. This is…
What are the Earth’s Layers?
There is more to the Earth than what we can see on the surface. In fact, if you were able…
What If We Dug a Tunnel Through the Earth?
If we could dig a tunnel through the Earth, what would happen? And is this even possible? (more…)