Carl Sagan discuses Johannes Kepler's Somnium (The Dream), written between 1620 and 1630, it's कहा to have been called the first piece of science fiction.
A पढ़ना of Carl Sagan's Pale Blue Dot द्वारा तारा, स्टार Trek's Robert Picardo, who also serves as a member of The Planetary Society Board of Directors and is the host of our monthly ई मेल newsletter, The Planetary Post.