Mars has an intriguing red color caused by rusty dust on its surface. This Mars globe recreates each crater, along with multiple layers of red, brown, and tan colors that make up its surface. Our mars globe graphics are satellite images taken by NASA spacecraft, giving it a level of realism you won't find with other interpretations. Mars globe uses images from NASA, rotating globe turns using ambient light, hidden magnets provide movement, no cords or batteries. Measures 4.5" in diameter.