Program details for the Conference on Exploration of the Outer Planets, to be held September 17–19, 1975, in St. Louis, have been announced by the meeting sponsors, the American Institute of Aeronautics and Astronautics and the American Geophysical Union.

Topics of the seven scientific sessions are Science Objectives and Thrusts; Mission Design; Science Requirements and Approaches; Planetary Entry Probes—Technology; Outer Planetary Spacecraft; Planetary Entry Probes—Mission and Design; and Future Directions. A panel discussion will follow the final session.