Dud rocket fears stop launch
A $1.3 billion European mission to land a probe on a comet has been scuttled because of fears the launch rocket could fail. Because of the ever-changing positions of the comet and the planets, space
A $1.3 billion European mission to land a probe on a comet has been scuttled because of fears the launch rocket could fail. Because of the ever-changing positions of the comet and the planets, space