Lucy Hawking And Stephen Hawking - Georges Cosmic Treasure Hunt - 2009 [EN]

This time they were just seconds away from liftoff. This would mean that life may have originated on Mars—before it could have survived here. This proves that fossil organisms may have reached the Earth from Mars. But they hadn’t come back when they were expected. That looks like a dead volcano,” said George. Is that true?” “Well, yes, it is,” said Eric modestly.