... Venus Once Molten Surface . ... This computer reconstruction of the surface of Venus was created from data from the Magellan spacecraft. Magellan orbited Venus and used radar to map our neighboring planet's surface between 1990 and 1994. ... Known as Lunokhod 1, it weighed just under 2,000 pounds and was designed to operate.. Invader From Earth . ... Except for the Rings of Saturn, The Ring Nebula (M57) is probably the most famous celestial band. ... A New Jupiter Oval Rotates . ...