Somewhere Out There

The Encyclopedia of Astrobiology, Astronomy, and Spaceflight is an on-line A-Z maintained by astronomer David Darling. The site provides a comprehensive source of information covering contemporary astronomy, astrobiology, and astrophysics, SETI, space missions, advanced propulsion concepts, historical aspects, and biographies (past and present). It is intended to be of use to the interested layperson, student, and academic alike.