c/carl-sagan
Carl Edward Sagan was an American astronomer, planetary scientist and science communicator.
Ted Koppel hosts an 80-minute panel discussion airing immediately after the ABC TV-movie The Day After — Sagan's first major TV deployment of the 'nuclear winter' framing, alongside Kissinger, McNamara, Buckley, Wiesel, and Scowcroft.
Sagan announcing the correction to the initially-released blue-sky Mars images — the day after Viking 1 landed, revealing the Martian sky was actually pink.
Sagan's Tonight Show appearance with Johnny Carson — critiquing Star Wars' 'human chauvinism' and discussing SETI.
CBC Newsmagazine interview segment — Sagan argues that the processes that produced intelligent life on Earth could occur elsewhere in the universe.
Excerpt from the BBC science documentary on SETI — the earliest extant TV footage of Sagan, then a young astronomer at the Smithsonian Astrophysical Observatory and Harvard.
Sagan's hour-long keynote tribute lecture at the Worlds of Philip Morrison Symposium (Day 2), surveying the Copernican perspective and Morrison's contributions to physics and SETI.
Sagan's first-draft dictation of Chapter 3 of his novel Contact, narrating the Ellie Arroway / SETI Project Argus material in his own voice.
Sagan dictating a draft NASA exobiology grant proposal — discusses amino acids, tholins, and methane in Titan's atmosphere; representative of how Sagan composed first drafts.
Sagan's lecture at the American Astronomical Society Austin meeting, arguing a joint US-Soviet Mars mission could help avert global conflict; touches on H.G. Wells, Percival Lowell, and science fiction's framing of Mars.
Speech at the 50th rededication of the Eternal Light Peace Memorial, on the escalation of weaponry from Gettysburg to nuclear arsenals and the case for reconciliation.
Sagan's commencement speech at the University of Illinois at Urbana-Champaign on planetary science, scientific literacy, ozone depletion, and nuclear proliferation.
Sagan's lecture at Yale Peace Week on nuclear war and nuclear winter, including the TTAPS findings and proposed nuclear-arsenal reduction milestones.
Sagan on BBC1's Wogan, discussing Reagan's Strategic Defense Initiative ('Star Wars') and prospects for extraterrestrial life.
Excerpt from Sagan's CSICOP keynote 'Wonder and Skepticism', delivered at the 1994 'Psychology of Belief' conference and later published in Skeptical Inquirer.
Sagan reading the iconic 'Pale Blue Dot' passage — a meditation on Earth as seen from the edge of the solar system.
Hour-long PBS NOVA documentary on the physics of time travel using wormholes — features archival interview footage of Sagan alongside Kip Thorne and Guenter Nimtz.
Sagan's first major TV appearance — a five-part live BBC/PBL co-production on the revolution in astronomy (pulsars, quasars, neutrinos), broadcast three months before Apollo 11.
Sagan's fifth Royal Institution Christmas Lecture, on the discoveries returned by the Viking landers.
Sagan's fourth Royal Institution Christmas Lecture, on Mars science up to the Viking missions.
Sagan's third Royal Institution Christmas Lecture in the 1977 'Planets' series, tracing humanity's evolving understanding of Mars.
Sagan's second Royal Institution Christmas Lecture in the 1977 'Planets' series, on the giant planets and the search for life.
Sagan's first Royal Institution Christmas Lecture in the 1977 'Planets' series, broadcast on BBC2 in early 1978.
Stanford's 1993 Bunyan Lecture — a witty examination of human civilization viewed from a cosmic perspective.
The inaugural Thompson Leadership Lecture at IMSA — Sagan on comets and the origin of life, calling the academy 'a gift from the people of Illinois to the human future.'
Sagan's prescient 1990 keynote on global climate change, military spending, and a sustainable energy future.
Sagan's final televised interview, discussing The Demon-Haunted World, pseudoscience, religion, and his battle with myelodysplasia.
"Lost" Lecture: The Age of Exploration
Testifying before Congress on climate change
