You sometimes hear that we have gone further out into space than into the planet we live on. This is true! But just how far have dug? And how far do we still have to go to reach the center of the earth (where there surely are no dinosaurs).
You sometimes hear that we have gone further out into space than into the planet we live on. This is true! But just how far have dug? And how far do we still have to go to reach the center of the earth (where there surely are no dinosaurs).