Mega attack

Their ship was facing a large celestial body which is almost the mass of earth. They were pulled by the mega mass due to gravity which is beyond few thousand light years. Darwin sought the help of Professor Lee who was taking rest. He asked him to change the direction of their journey that is to move backwards and to reach their destination by some different route which will need a high amount of fuel. Darwin tries to change the direction of their shuttle but due to heavy gravity they can't do it. They were notified that the body is an artificially created which will prevent the planets of Aliens from humans. Lee asked Darwin to load nuclear missile . He loaded the missile and waited for the command from professor. They spotted a mini UFO disc which is orbiting their path. It was such a great shock to them that the entire human race is going to face the aliens. They launched the missile over the massive body. It scattered all around, but their shuttle was prevented by a specialized cover