Carl Sagan
PersonScientistCarl Sagan
PersonScientistCarl Sagan was an astronomer, planetary scientist, and science communicator who championed the search for extraterrestrial life while demanding strong evidence for visitation claims.
Carl Sagan was an astronomer, planetary scientist, and science communicator who championed the search for extraterrestrial life while demanding strong evidence for visitation claims.
Carl Sagan was an American astronomer and Cornell University professor whose research contributed to understanding planetary atmospheres, the greenhouse effect on Venus, and the conditions that might support life elsewhere. He advised NASA missions, helped design messages carried by the Pioneer and Voyager spacecraft, and became one of the twentieth century’s most influential science communicators through books and the television series Cosmos.
Sagan’s public career joined laboratory and mission science with an unusual talent for narrative. He contributed to Mariner, Viking, Voyager, and other planetary efforts, helped create the Pioneer plaque and Voyager Golden Record, and co-founded the Planetary Society. Through Cosmos and books ranging from astronomy to skepticism, he argued that scientific wonder grows stronger when error is actively tested. That philosophy made him influential to both SETI researchers and critics of poorly supported UFO claims.
Sagan was deeply interested in extraterrestrial intelligence and helped establish SETI as a legitimate scientific endeavor. At the same time, he was skeptical of claims that UFO reports demonstrated alien visitation. He participated in scientific discussions of the subject, argued for serious examination of good cases, and warned that memory, misidentification, fraud, and cultural expectation could turn ambiguity into conviction. His often-paraphrased standard that extraordinary claims require extraordinary evidence expressed that balance.
Sagan connects the scientific search for other civilizations with the evidentiary debate surrounding UAP. He neither dismissed the possibility of life elsewhere nor treated that possibility as proof of events on Earth. His career provides a durable model for holding wonder and rigor together: search widely, preserve data, test alternatives, and distinguish the probability of life in the universe from the evidence offered for any particular encounter.
RT @ProfAviLoeb: I am delighted to partner with @AdamWeitsman on a new Galileo Observatory at Carl Sagan’s former residence in Ithaca. The…
In "The Demon-Haunted World," Carl Sagan wrote that he thought certain claims of reincarnation warranted a second look: "...there are three claims in the ESP field which, in my opinion, deserve serious study. [One is] that young children sometimes report the details of a previous life, which upon checking turn out to be accurate and which they could not have known about in any other way than reincarnation." (Full quote at end. IMO, anybody who looks at the evidence for reincarnation will come...
--- From this distant vantage point, the Earth might not seem of any particular interest. But for us, it's different. Consider again at that dot. That's here. That's home. That's us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggregate of our joy and suffering, thousands of confident religions, ideologies, and economic doctrines, every hunter and forager, every hero and coward, every creator and destroyer...
Anyone remember what episode this was from? Trying to find a clip for a video edit I'm working on. So background context, there's this whole theory floating around about a "lineage" of public science communicators (Donald Menzel, then Carl Sagan, then Neil deGrasse Tyson) who each held classified national security ties while also being the loudest public skeptics debunking UFO/UAP sightings. Menzel apparently had a Top Secret clearance and consulted for the CIA/NSA while writing books saying...
RT @MaxDerakhshani: In his 1980 book, Cosmos, Carl Sagan wrote: "Intelligent life on Earth first reveals itself through the geometric regu…
RT @ProfCarlSagan: absence of evidence is not evidence of absence.
Ellie Arroway (Jodie Foster): “Poetry! They should have sent a poet. So beautiful. So beautiful. I had no idea.” In the 1997 film Contact, based on Carl Sagan’s novel, radio astronomer Ellie Arroway straps into the alien machine and keeps repeating “I’m okay to go” as contact with mission control fades. She is then pulled through a series of wormholes, watching stars, multiple images from relativistic effects, and a dazzling galactic center before the capsule goes dark and weightless. When sh...
Xander is a genius. https://t.co/b2TRddrQOq [Quoted] Would anyone judge me if I admitted that I cried like a baby when listening to the last chapter of this episode? Man, this isn’t a podcast; This is poetry in the likes of William Blake or perhaps Carl Sagan’s Contact. I wanted to share this with you. It’s beautiful. Thank you @imxanderjones @DreamlandMotel https://t.co/GXXXcJZDrc
RT @LensScientific: "Absence of evidence is not the evidence of absence" — Prof. Carl Sagan https://t.co/WvueBDuMz7
In this rarely seen clip, John Mack makes his frustration with Carl Sagan unmistakably clear. #JohnMack #CarlSagan #AlienAbduction https://t.co/QIwYRLAtl3
