Results 91 to 100 of about 1,257,822 (215)

Ultrafast Modulations in Stellar, Solar and Galactic Spectra: Dark Matter and Numerical Ghosts, Stellar Flares and SETI

Particles
Background: From new results presented in the literature we discuss the hypothesis, presented in an our previous work, that the ultrafast periodic spectral modulations at fS=0.607±0.08 THz found in the spectra of 236 stars of the Sloan Digital Sky Survey
Fabrizio Tamburini, Ignazio Licata
doaj   +1 more source

Sufficient conditions for extraterrestrial intelligence : philosophical and theological considerations [PDF]

, 1996
Spine cut of Journal binding and pages scanned on flatbed EPSON Expression 10000 XL; 400dpi; text/lineart - black and white - stored to Tiff Derivation: Abbyy Fine Reader v.9 work with PNG-format (black and white); Photoshop CS3; Adobe Acrobat v.9 Web ...

core  

Broadband Searches for Extraterrestrial Technological Intelligence: A New Strategy to Find Nearby Alien Civilizations

The Astrophysical Journal
One of the most interesting questions that astronomy can hope to answer is: Are we alone in our Milky Way Galaxy? A detection of an electromagnetic (EM) signal generated by an extraterrestrial technological intelligence, or the presence in our solar ...
B. Zuckerman
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Cosmic Illuminating Gift: A One-Way Information Box for Extraterrestrial Intelligences

Universe
We introduce the concept of a one-way, broadband information package, the Cosmic Illuminating Gift, intended to provide distant intelligences with fundamental empirical data about the Universe. Unlike previous messaging to extraterrestrial intelligences (
Arman Shafieloo
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In Search of Extraterrestrial Artificial Intelligence Through Dyson Sphere–like Structures around Primordial Black Holes

The Astrophysical Journal
Are we alone? It is a compelling question that human beings have confronted for centuries. The search for extraterrestrial life is a broad range of quests for finding simple forms of life up to intelligent beings in the Universe. The plausible assumption
Shant Baghram
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Alien Mindscapes-A Perspective on the Search for Extraterrestrial Intelligence. [PDF]

Astrobiology, 2016
Cabrol NA.
europepmc   +1 more source

Extraterrestrial altruism: evolution and ethics in the cosmos

, 2014
Extraterrestrial Altruism examines a basic assumption of the Search for Extraterrestrial Intelligence (SETI): that extraterrestrials will be transmitting messages to us for our benefit.
Vakoch, Douglas
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Extraterrestrial Intelligence [PDF]

Nature, 1973
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Extrasolar asteroid mining as forensic evidence for extraterrestrial intelligence

, 2011
The development of civilizations such as ours into spacefaring, multi-planet entities requires significant raw materials to construct vehicles and habitats. Interplanetary debris, including asteroids and comets, may provide such a source of raw materials.
Martin Elvis, Duncan H. Forgan
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The Moral Status of Extraterrestrial Life

, 2012
If we eventually discover extraterrestrial life, do we have any moral obligations for how to treat the life-forms we find; does it matter whether they are intelligent, sentient, or just microbial-and does it matter that they are extraterrestrial? In this
Lund University., Persson, Erik,
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