Gourt > Science > Astronomy > Extraterrestrial Life > Panspermia
Panspermia is the hypothesis that the seeds of life are ubiquitous in the Universe, that they may have delivered life to Earth, and that they may deliver or have delivered life to other habitable bodies; also the process of such delivery.
Exogenesis is a related, but less radical, hypothesis that simply proposes life originated elsewhere in the Universe and was transferred to Earth, with no prediction about how widespread life is. The term "panspermia" is more well-known, however, and tends to be used in reference to what would properly be called exogenesis, too.
Theory
The first known mention of the idea was in the writings of the 5th century BCE Greek philosopher Anaxagoras, but panspermia theory was dormant until the nineteenth century when it was revived in modern form by several scientists, including Hermann von Helmholtz in 1879 and, somewhat later, by Svante Arrhenius in 1903. Panspermia can be said to be either interstellar (between star systems) or interplanetary (between planets in the same solar system). There is as yet no compelling evidence to support or contradict it, although the majority view holds that panspermia — especially in its interstellar form — is unlikely given the challenges of survival and transport in space. More on [ Panspermia ]
Exobiology :: Extraterrestrial Life
@esterk putz, última vez que eu fui dar uma lida, panspermia era uma hipótese válida, mas não a mais aceita.
MattSimonato (Joe Cool) Thu, 10 Dec 2009 18:57:21 -0000
@esterk putz, última vez que eu fui dar uma lida, panspermia era uma hipótese válida, mas não a mais aceita.
â« Eat Static - Panspermia
spacestationsma (Space Station Soma) Wed, 09 Dec 2009 04:12:10 -0000
♫ Eat Static - Panspermia
you humans are interesting, i'm still trying to firgure you out, still can't grasp the act of emotion, have I no soul? Panspermia is tricky.
SRCBypass (iSapien 1956672) Mon, 07 Dec 2009 19:14:46 -0000
you humans are interesting, i'm still trying to firgure you out, still can't grasp the act of emotion, have I no soul? Panspermia is tricky.
http://tweetube.com/8GN - Graham Hancock ~ Francis Crick's View On Panspermia.....
spacetime345 (Peter345) Mon, 07 Dec 2009 10:50:35 -0000
http://tweetube.com/8GN - Graham Hancock ~ Francis Crick's View On Panspermia.....
Panspermia is not what it sounds like it means. It's only The idea that life could travel through space to land on Earth.
Daredevilsprmcy (Dmitriy Lazarev) Sun, 06 Dec 2009 20:27:29 -0000
Panspermia is not what it sounds like it means. It's only The idea that life could travel through space to land on Earth.
#video Graham Hancock ~ Francis Cricks View on Panspermia http://bit.ly/74EHgC Video
disclose_tv (Disclosetv) Sat, 05 Dec 2009 22:53:58 -0000
#video Graham Hancock ~ Francis Cricks View on Panspermia http://bit.ly/74EHgC Video
Are We All Aliens? The New Case for Panspermia - Interviews with experts on panspermia and in other fields shows rising interest in the idea.
Meta Description: [ Panspermia is a theory from Fred Hoyle and Chandra Wickramasinghe stating that the seeds of life are everywhere, and that life on Earth came from space. Interviews with the leading experts on panspermia and in other fields shows rising interest in the idea. ]
Cosmic Ancestry: The Modern Version of Panspermia - Transcript to an online chat with panspermia theorist Brig Klyce.
Meta Description: [ The International Society for Complexity, Information, and Design (ISCID)
is a cross-disciplinary professional society that investigates complex
systems apart from external programmatic constraints like materialism,
naturalism, or reductionism. The society provides a forum for formulating,
te... ]
Cosmic Ancestry: The Modern Version of Panspermia - The Cosmic Ancestry hypothesis - about which this site has a large amount of information - treats all of evolution, not just the origin of life on Earth, as due to interaction with cosmic microorganisms.
Meta Description: [ The modern version of panspermia, Cosmic Ancestry treats all of evolution, not just the origin of life on Earth. ]
Panspermia - Descriptive entry in The Encyclopedia of Astrobiology, Astronomy, and Spaceflight.
Panspermia Revisited - Short scientific article by John R. Gribbin. Spreading of life-bearing spores across the Galaxy (panspermia) may be easier than is usually acknowledged.
Panspermia: Society for Life in Space (SOLIS) Society - Panspermia overview and technical papers.
Meta Description: [ Panspermia Society, dedicated to promoting the future of life in space by directed panspermia missions. Payloads of selected microbes, launched by solar sails, will start evolutionary chains on planets in new solar systems through astrobiology missions starting in 2050. ]
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