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The firstborn hypothesis is a special case of the Hart–Tipler conjecture (the idea that the lack of evidence for interstellar probes is evidence that no intelligent life other than humanity exists in the universe) which asserts a time-dependent curve towards discovery. [1]
The book describes the 2017 detection of ʻOumuamua, the first known interstellar object to pass through the Solar System. [ 8 ] [ 9 ] Loeb, an astronomer at Harvard University , speculates that the object might be an extraterrestrial artifact , [ 10 ] a suggestion considered unlikely by the scientific community collectively.
Life is a 2017 American science fiction horror film [5] [6] [7] directed by Daniel Espinosa, written by Rhett Reese and Paul Wernick and starring an ensemble cast consisting of Jake Gyllenhaal, Rebecca Ferguson, Ryan Reynolds, Hiroyuki Sanada, Ariyon Bakare, and Olga Dihovichnaya.
The 2016 film Arrival, based on the 1998 short story "Story of Your Life", depicts a global first contact, with 12 "pods" establishing themselves at various locations on Earth. With regard to first contact, the film focuses primarily on the linguistic challenges inherent in first contact, and the film's plot is driven by the concept of ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 27 January 2025. Problem of the lack of evidence for alien life despite its apparent likelihood This article is about the absence of clear evidence of extraterrestrial life. For a type of estimation problem, see Fermi problem. Enrico Fermi (Los Alamos 1945) The Fermi paradox is the discrepancy between ...
Astrobiologists Dirk Schulze-Makuch and William Bains, reviewing the history of life on Earth, including convergent evolution, concluded that transitions such as oxygenic photosynthesis, the eukaryotic cell, multicellularity, and tool-using intelligence are likely to occur on any Earth-like planet given enough time.
That ocean probably doesn't have little green men swimming around or other "intelligent" creatures, but it could have very basic forms of life. NASA is planning a mission to Europa , which would ...
It has been proposed that to undergo natural selection a living entity must have the capacity to replicate itself, the capacity to avoid damage/decay, and the capacity to acquire and process resources in support of the first two capacities. [54] Life on Earth started with an RNA world and later evolved to its current form, where some of the RNA ...