Rover's trek around the Red Planet delayed January 08 2004 at 06:27AM Pasadena - The air bags that cushioned the landing of the Mars rover are obstructing the vehicle's path and will delay the start of its trek across the planet's rust-coloured surface, Nasa said. Further complicating the mission, new images from the Mars rover suggest its landing site is not the pristine dry lake bed that scientists originally had hoped. That means the rover's hunt for evidence that Mars was once a wetter place conducive to life might be more difficult than expected. The earliest the six-wheeled Spirit rover...