The NASA Speaker's Bureau is comprised of scientists, engineers and managers from centers around the nation who have volunteered time out of their busy schedules to share their experiences with the public. For details, visit http://www.nasa.gov/speakers/index.html

NASA astronauts are notoriously busy, but they do make public appearances. Requests must be made at least six months in advance. For details, visit http://www.nasa.gov/events/procedure.html.

The Solar System Ambassador program is a nationwide network of motivated speakers chosen for their ability to relate to the public. There are currently 278 ambassadors in all 50 states and Puerto Rico.