Results 31 to 40 of about 1,808 (209)

Multibeam Blind Search of Targeted SETI Observations toward 33 Exoplanet Systems with FAST

open access: yesThe Astronomical Journal, 2023
The search for extraterrestrial intelligence (SETI) is to search for technosignatures associated with extraterrestrial life, such as engineered radio signals.
Xiao-Hang Luan   +10 more
doaj   +1 more source

Imaginative Cosmos: The Impact of Colonial Heritage in Radio Astronomy and the Search for Extraterrestrial Intelligence [PDF]

open access: yes, 2021
Astronomers conducting searches for extraterrestrial intelligence (SETI) have long been interested in the history of “first contact” between foreign civilizations as a proxy for extraterrestrial contact and have often employed frontier metaphors and ...
Rebecca Charbonneau   +1 more
core   +1 more source

¿Cómo enviar mensajes a extraterrestres?

open access: yesChasqui, 2015
Durante más de treinta años, los humanos han utilizado la tecnología de radio para buscar evidencia de inteligencia extraterrestre -ETI-. Colectivamente, estos esfuerzos se conocen como SETI.
Comité Seti
doaj   +1 more source

The Most Sensitive SETI Observations Toward Barnard's Star with FAST

open access: yesThe Astronomical Journal, 2023
Search for extraterrestrial intelligence (SETI) has been mainly focused on nearby stars and their planets in recent years. Barnard’s star is the second closest star system to the Sun and the closest star in the Five-hundred-meter Aperture Spherical radio
Zhen-Zhao Tao   +6 more
doaj   +1 more source

A note on the Vukotić-Gordon mini-earths [PDF]

open access: yesSerbian Astronomical Journal, 2023
A recent proposal for a new kind of astroengineering artifact due to Vukotić and Gordon (2022) is discussed, in particular in light of multiple benefits offered by the magnetic Penrose process.
Ćirković Milan M.
doaj   +1 more source

Genoegsame voorwaardes vir buite-aardse rasionaliteit: Filosofiese en teologiese oorwegings

open access: yesHTS Teologiese Studies/Theological Studies, 1996
Sufficient conditions for extraterrestrial intelligence:  Philosophical and theological considerations. Sufficient conditions would include confirmation of extraterrestrial intelligence.
A. J. Antonites
doaj   +1 more source

Is the "Star trek" concept of aliens really naive?: A comment on Duric and Field [PDF]

open access: yesSerbian Astronomical Journal, 2004
Several assumptions used in the recent review paper on the search for extraterrestrial intelligence (SETI) by Duric and Field (2003) are critically discussed.
Ćirković Milan M.
doaj   +1 more source

Fermi's Paradox - The Last Challenge For Copernicanism? [PDF]

open access: yesSerbian Astronomical Journal, 2009
We review Fermi's paradox (or the "Great Silence" problem), not only arguably the oldest and crucial problem for the Search for ExtraTerrestrial Intelligence (SETI), but also a conundrum of profound scientific, philosophical and cultural importance. By a
Ćirković, M. M.
doaj   +3 more sources

The Extraterrestrial Hypothesis: A Case for Scientific Openness to an Interstellar Explanation for Unidentified Anomalous Phenomena [PDF]

open access: yesФилософия и космология
Over the past several years the question of unidentified anomalous phenomena (UAP) has commanded increasing interest. Attention has generally focused on two main classes of hypotheses: a conventional terrestrial explanation (e.g., human technology), and ...
Tim Lomas
doaj   +1 more source

On the timescale forcing in astrobiology [PDF]

open access: yesSerbian Astronomical Journal, 2007
We investigate the effects of correlated global regulation mechanisms, especially Galactic gamma-ray bursts (GRBs), on the temporal distribution of hypothetical inhabited planets, using simple Monte Carlo numerical experiments.
Vukotić B., Ćirković M.M.
doaj   +1 more source

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