THIS IS THE PLANET "MARS". The detent / hole at the North Pole, is something that most planets have. Even Earth has a flattening and a hole like this - - you may want to "Google" the principle of: "Hollow Earth".
HAVE YOUR OWN WEB SITE OR BLOG, without knowing computer language. Simple to create. Simple to add new material. If you are a car-buff, create a family blog, like to put all your pictures from your travels on it, or sell merchandise, this is so simple - - even I can do it. Try it out. "Simplesite" really is the simplest.