$24.99 each. 15-cm-diameter globe with stand. www.shoptatsky.com

Sky & Telescope has added to its globe family 15-centimeter (approximately 6-inch) spheres that portray Earth, the Moon, Mars, and Pluto. These smaller, more affordable globes are perfect for classroom use or for that special future astronaut in your life. Created with the same care and detail as their larger globes, these 15-centimeter globes look attractive on a desk and make a fine collection for your bookcase.