VenusThe third phase of data gathering begins for NASA’s Magellan unmanned space probe, launched via space shuttle in 1989 and currently orbiting the heavily-clouded planet Venus. Using radar to peer through the planet’s dense clouds, Magellan has now mapped 96% of the planet’s surface, and will now spend much of the remainder of 1992 filling in details in regions it has missed, as well as re-scanning some regions of Venus stereoscopically, allowing for three-dimensional terrain reconstruction.