Dig to the
other side

At the exact centre, gravity pulls equally in every direction — so you would be weightless.

You are now about 6,371 km from where you started, straight up in every direction.

The whole planet is 4.54 billion years old, and the core has been slowly cooling ever since.

Walking here would have taken about 53 days without stopping — and it is another 53 days up to the far side.

Every direction from here is up.