Black & Sliver Globe of The World 5" Black modern globe of the world with silver tones and a silver metal base. This is the perfect size globe if you are limited on space or if you are looking for a smaller globe for your desk, bookshelf or end-table. *Note: Globes are measured by diameter: A straight line through the widest point of the sphere. To help visualize, a basketball is about 10" in diameter, and a typical medium sized beach ball is about 16" in diameter.