Extraterrestrial Soteriology

One scientific objection to religion is that the discovery of extraterrestrial life would show our religions are not veridical, with Christianity being most common target. I will first look at a parallel issue, ancient and medieval controversy over antipodes. This raises two problematic Christian doctrines apply equally extraterrestrials: transmission original sin cosmic fall. These issues raise questions about their spiritual status, but conclude having such answers does amount an Christianity’s credibility.