It's hard to Relax

The Asteroid Threat is Out There

"Former astronaut Rusty Schweickart, now 71, knows a thing or two about objects flying through space, having been one himself during a spacewalk on the Apollo 9 mission in 1969. Through the B612 Foundation, which he co-founded in 2001, Schweickart has been prodding NASA to do something about Apophis -- and soon. "We need to act," he says. "If we blow this, it'll be criminal."