No advanced civilization would conclude they are dealing with "gods" just because they see someone with presumably better technology than themselves.
In fact, if they are anything like humans, they have probably already realized that species that live on a lower-gravity planet could escape that planet using the same chemical reactions that are available to them also.
In fact, if they are anything like humans, they have probably already realized that species that live on a lower-gravity planet could escape that planet using the same chemical reactions that are available to them also.