Uranus Rolls Around the Sun on Its Side

Unlike every other planet, Uranus is tilted at nearly 98 degrees, meaning it essentially rolls through space instead of spinning upright. Scientists think a massive collision with an Earth-sized object in the past knocked it over. This extreme tilt causes bizarre seasons—each pole experiences 42 years of continuous sunlight, followed by 42 years of total darkness. The Uranus 3D model shows the planet on its side, with its rings and five major moons circling it.