New posts in Earth

What is the simplest way to prove the Earth is round?

Why is a new moon not the same as a solar eclipse?

Is the length of the day increasing?

How does gravity work underground?

How fast a (relatively) small black hole will consume the Earth?

What sustains the rotation of earth's core (faster than surface)?

How are the northern lights produced?

Is ground connection in home electrical system really necessary?

The chance of a lightning strike - reduced or increased?

What is the right way to float a home lab?