Deflecting Asteroids Headed Our Way

The B612 Foundation wants to be ready when astronomers find a NEO (Near Earth Object) on a collision course with Earth. Foundation Chairman and Apollo 9 astronaut Rusty Schweickart described their plans at a recent event. Emily Lakdawalla's Q&A considers big rocks in the asteroid belt, and Bruce Betts is keeping a naked eye on five planets visible in the sky. All this and space headlines, too.