Life on Other Planets? What Does This Mean??? Concordia Sem Prof Charles Arand offers some observations and reflections on this intriguing topic about which Christians can agree and disagree. The topic prompts helpful discussion on the biblical themes of creation, anthropology, and even soteriology. Instructors in astronomy, earth science, science and society, faith and life, and doctrine could use this discussion to start or augment a course. See also the article in the Houston Chronicle.