卧龙资源网提供本资源 <>Escae velocity: the minimum seed needed for an object to escae from the gravitational influence of a massive body, without ever falling back. An astronaut awakens in an abandoned cave of a strange lanet. An interstellar vagabond, so to say. A light ath leads him to the surface, where he looks at his comass and heads for his saceshi. He kees glancing back, treading nervously, looking afraid. He has been chased by a creature for a long time, and his only way to break free is to escae this curious lanet.