Welcome to et101.life! Most of the science involving astrobiology is concerned with molecular biology, biology, biophysics, biochemistry, chemistry, astronomy, cosmology, and numerous other scientific disciplines or theories. None of this deals with the social, psychological, emotional, religious, political, or financial issues mankind will have to confront when contact with an intelligent alien species occurs.
How will humans deal with beings from a non-human society?
What do we say after they say hello?