Drake Vs Fermi...
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If the universe is teeming with ... - Stephen Webb - Google Livres
If The Universe Is Teeming With Aliens... Where Is Everybody? Fifty Solutions to the Fermi Paradox and the Problem of Extraterrestrial Life. ...
ntact with alien civilizations ... - Michael A. G. Michaud - Google Livres
Michael Michaud served as Director of the U.S. State Department's Office of Advanced Technology and as Counselor for Science, Technology, and Environment at the American embassies in Paris and Tokyo. He led the negotiation of international agreements, played an active role in reviving U.S.
Advanced alien civilizations, have we already found some? « Astrobioloblog
Lots of scientists think our Galaxy should be full of advanced alien civilizations (see the Drake Equation and Fermi Paradox posts).
The odds of there being only one single planet that evolved life among all that unfathomable vastness seems so incredible that it is all but completely irrational to believe. But then "where are they?"
The Billion-Year Technology Gap: Could One Exist? (The Weekend Feature)
Fermi paradox - Wikipedia, the free encyclopedia
A graphical representation of the Arecibo message – Humanity's first attempt to use radio waves to actively communicate its existence to alien civilizations The Fermi paradox (Fermi's paradox or Fermi-paradox) is the apparent contradiction between high estimates of the probability of the existence of extraterrestrial civilizations and the lack of evidence for, or contact with, such civilizations. [ 1 ]Inviting invasion: deep space advertisments and planetary security (Practical Ethics) - I blog about the ethics of sending adverts into space.
Andart: Finding Fermi
Calculer le nombre de civilisations extra-terrestres
Le résultat obtenu par Franck Drake d'après des estimations raisonablement optimistes était de 10.000.
Drake Equation Estimates | UsefulCharts.com
In 1961, astronomer Frank Drake developed an equation that can be used to estimate the number of alien civilizations in our galaxy with whom we might come into contact.
The Great Filter
Humanity seems to have a bright future, i.e., a non-trivial chance of expanding to fill the universe with lasting life.ScienceDaily (Aug. 3, 2011) — The theory that our universe is contained inside a bubble, and that multiple alternative universes exist inside their own bubbles -- making up the 'multiverse' -- is, for the first time, being tested by physicists. Two research papers published in Physical Review Letters and Physical Review D are the first to detail how to search for signatures of other universes. Physicists are now searching for disk-like patterns in the cosmic microwave background (CMB) radiation -- relic heat radiation left over from the Big Bang -- which could provide tell-tale evidence of collisions between other universes and our own.
Is our universe inside a bubble? First observational test of the 'multiverse'
Zoo hypothesis - Wikipedia, the free encyclopedia
Zoo, Planetarium, prison & all the variant... by May 5