Is there Anyone Out there?
Guest/Author: William Hartmann, Ph.D.
Mars is closer to earth than ever before in human history. Tune in and learn about this fascinating and mysterious red planet from Hartmann, author of “A Traveler’s Guide to Mars.”
Is there Anyone Out there?
Guest/Author: William Hartmann, Ph.D.
Mars is closer to earth than ever before in human history. Tune in and learn about this fascinating and mysterious red planet from Hartmann, author of “A Traveler’s Guide to Mars.”