Results 31 to 40 of about 434 (179)
Search for Extraterrestrial Intelligence (SETI) by fractal universe
Results in Physics, 2019 We propose the hypothesis that the universes we live are provided with fractal properties, from macro to micro scale, which have self-similarity and space filling.
Sheena Chen, Tong-Jie Zhang
doaj +1 more source
Bioethics, Volume 40, Issue 6, Page 558-564, July 2026.ABSTRACT Classical bioethics examines moral issues in terrestrial medicine and the life sciences. According to Konrad Szocik, space bioethics merely relocates those questions to harsher environments. We argue that this view is incomplete: space bioethics is a genuinely original domain.
Maurizio Balistreri
wiley +1 more source
Developing a Drift Rate Distribution for Technosignature Searches of Exoplanets
The Astronomical Journal, 2023 A stable-frequency transmitter with relative radial acceleration to a receiver will show a change in received frequency over time, known as a “drift rate.” For a transmission from an exoplanet, we must account for multiple components of drift rate: the ...
Megan G. Li +6 more
doaj +1 more source
Out There No One Has a Right to Die
Bioethics, Volume 40, Issue 6, Page 565-572, July 2026.ABSTRACT The eventual goal of space exploration is to colonize exoplanets and their moons outside our solar system. This is a dangerous and immoral endeavour. The extraterrestrial life forms encountered would be hostile, vulnerable or both, and the descendants of the original pioneers would be involuntarily exposed to hazardous conditions and ...
Matti Häyry
wiley +1 more source
Technosignatures Longevity and Lindy's Law
The Astronomical JournalThe probability of detecting technosignatures (i.e., evidence of technological activity beyond Earth) increases with their longevity, or the time interval over which they manifest.
Amedeo Balbi, Claudio Grimaldi
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Disasters, Volume 50, Issue 3, July 2026.Abstract This study investigates the claim that women are disproportionately more likely to die in disasters by reviewing existing data sources and compiling new datasets on sex‐differentiated disaster fatalities in the twenty‐first century. The analysis is structured by disaster type, covering geophysical, meteorological, climatological, hydrological,
Olivier Rubin
wiley +1 more source
Rotational Doppler Cartography of Technosignatures on Unresolved Planets
The Astrophysical JournalThe discovery of many Earth-like planets has renewed interest in whether life and technological civilizations exist elsewhere. The Search for Extraterrestrial Intelligence (SETI) seeks evidence for technological civilizations via technosignatures across ...
Keitaro Takahashi
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The Breakthrough Listen Search for Intelligent Life: Technosignature Search of 97 Nearby Galaxies
The Astronomical Journal, 2023 The Breakthrough Listen search for intelligent life is, to date, the most extensive technosignature search of nearby celestial objects. We present a radio technosignature search of the centers of 97 nearby galaxies, observed by Breakthrough Listen at the
Carmen Choza +20 more
doaj +1 more source
Model of the Search for Extraterrestrial Intelligence with Coronagraphic Imaging [PDF]
The Astronomical Journal, 2019 Abstract We present modeled detection limits of the Gemini Planet Imager (GPI) and the Wide-Field Infrared Space Telescope (WFIRST) to an optical and infrared laser which could be used by an extraterrestrial civilization to signal their presence.
Christina L. Vides +5 more
openaire +2 more sources
Survey on AI‐Enabled Computer Vision Technologies and Applications for Space Robotic Missions
Journal of Field Robotics, Volume 43, Issue 4, Page 2553-2584, June 2026.ABSTRACT This survey provides a comprehensive overview of recent advancements and challenges in Artificial Intelligence (AI)‐enabled computer vision (CV) techniques for space robotic missions, spanning critical phases such as Entry, Descent, and Landing (EDL), orbital operations, and planetary surface exploration.
Maciej Quoos +6 more
wiley +1 more source