If the Earth were the only gravitating body in space, then the spacecraft would really move away from the planet at an infinitely large distance. In reality, it will remain within the solar system, since the second cosmic speed (11.2 km / s), with which it begins to move, is less than the third cosmic speed (16.7 km / s), with which the object leaves the solar system forever.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.