Results 11 to 20 of about 185 (73)

L’exobiologie, l’imaginaire et le symbolique

open access: yesCahiers François Viète, 2003
This text puts forward the idea that the commentaries in natural language that necessarily accompany the experimental activities of exobiology (laboratory experiments, space missions, astronomical observations, etc.) inevitably belong to the novel.
Jean Schneider
doaj   +1 more source

Phobos LIFE (Living Interplanetary Flight Experiment) [PDF]

open access: yes, 2019
The Planetary Society's Phobos Living Interplanetary Flight Experiment (Phobos LIFE) flew in the sample return capsule of the Russian Federal Space Agency's Phobos Grunt mission and was to have been a test of one aspect of the hypothesis that life can ...
Berger, Thomas,   +16 more
core   +1 more source

Les origines de la vie sur la Terre : un problème historique

open access: yesCahiers François Viète, 2003
The history of work on the origins of life, since the end of the debate between Louis Pasteur and Félix Pouchet in the 1860s, can be divided into two main periods: until the middle of the 20th century, most of the work consisted of the formulation of ...
Stéphane Tirard
doaj   +1 more source

Implications of in situ calcification for photosynthesis in a ~3.3 Ga-old microbial biofilm from the Barberton greenstone belt, South Africa [PDF]

open access: yes, 2011
International audienceTiming the appearance of photosynthetic microorganisms is crucial to understanding the evolution of life on Earth. The ability of the biosphere to use sunlight as a source of energy (photoautotrophy) would have been essential for ...
Andreazza, Caroline   +19 more
core   +3 more sources

Le “travail épique” de la science-fiction : les histoires du futur de Laurent Genefort [PDF]

open access: yes, 2023
À partir de la notion de “travail épique” (F. Goyet, Penser sans concept : fonctions de l’épopée guerrière, 2006), cet article postule une parenté fonctionnelle entre épopée et science-fiction, en étudiant en particulier trois romans de Laurent Genefort,
Bréan, Simon
core   +1 more source

L’essor de l’exobiologie planétaire dans le système solaire

open access: yesCahiers François Viète, 2003
The development of space exploration has opened the way to new research perspectives in the field of the origins of life (on Earth or elsewhere). Detailed in situ observation of other bodies in the solar system makes it possible to compare chemical and ...
François Raulin
doaj   +1 more source

Current exobiology missions to Mars. Importance for geoscience and search of Life beyond Earth [PDF]

open access: yes, 2021
Relevantnost tématu bakalářské práce "Současné exobiologické mise k Marsu" je spojen s vědomím podobnosti některých procesů na Zemi a Marsu. Mars se, na rozdíl od planet Sluneční soustavy, alespoň částečně podobá naší planetě několika charakteristikami ...
Ovcharenko, Vladyslav
core  

Ni+ reactions with aminoacetonitrile, a potential prebiological precursor of glycine [PDF]

open access: yes, 2008
The gas-phase reactions between Ni+ (2D5/2) and aminoacetonitrile, a molecule of prebiological interest as possible precursor of glycine, have been investigated by means of mass spectrometry techniques.
Amunugama   +52 more
core   +4 more sources

Existentielle Gefahren für die Menschheit als Gegenstand für die Zukunftsforschung [PDF]

open access: yes, 2021
Untersuchungen zu existentiellen Gefahren für die Menschheit sind bislang eine Seltenheit. Mit der vorliegenden Publikation wird der Versuch unternommen, grundlegende Konturen dieses Forschungsfelds zu umreißen.
Gerhold, Lars, Steinmüller, Karheinz
core   +2 more sources

Conserver pour rester terriens [PDF]

open access: yes, 2018
Depuis les premiers tubes de nourriture consommés lors des premiers vols spatiaux dans les années 1961 et 1962 jusqu’aux repas variés de la Station spatiale internationale, l’alimentation dans l’espace a constamment évolué. Elle est aujourd’hui à l’image
Maillet, Alain
core   +1 more source

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