What are the Possibilities of an Inhabitable Extraterrestrial Environment Reachable from the Earth?

Strughold, Hubertus O.2017-09-202017-09-201957-05-06MS120-1-8http://hdl.handle.net/2152.3/3681Presented at the Annual Aero Medical Association Meeting in Denver, ColoradoSpace medicine.What are the Possibilities of an Inhabitable Extraterrestrial Environment Reachable from the Earth?