Tag Archives: Self-Sufficient

Who needs asteroids? Earth makes its own water deep within the mantle

by Peter Dockrill, Science Alert

Our planet could be self-sufficient

Life on Earth depends on the existence of water, but despite it covering some 70 percent of the planet’s surface, scientists have never really been sure where it all comes from.

While the popular view has been that icy asteroids or comets could have brought water to Earth billions of years ago in an epic collision that filled the planet’s oceans, a new study shows Earth’s inner regions had the necessary ingredients to make water all along, hidden deep underground. Continue reading Who needs asteroids? Earth makes its own water deep within the mantle