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biosignature
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Biosignature — A Biosignature, generally, is a measurable phenomenon that indicates the presence of life. The term biomarker is sometimes used as a synonym.Biosignatures in BiologyIn biology, biochemistry, and biomedical research, biosignatures are biological… … Wikipedia
Circulating microvesicle — The identification of small, membrane bound vesicles has opened a new era in the understanding of cell signaling and the process of molecular communication between cells. Human body fluids contain small, membrane bound exosomes and larger… … Wikipedia
Extraterrestrial life — For fiction, see Extraterrestrials in fiction. For other uses, see Alien (disambiguation). A 1967 Soviet Union 16 kopeks postage stamp, depicting a satellite from an imagined extraterrestrial civilization … Wikipedia
Viking biological experiments — The two Viking spacecraft each carried four types of biological experiments to the surface of Mars in the late 1970s. These were the first Mars landers to carry out experiments to look for biosignatures of life on Mars. The landers used a robotic … Wikipedia
Astrobiology Field Laboratory — « Laboratoire d astrobiologie martienne » redirige ici. Pour les autres significations, voir Laboratoire d astrobiologie martienne (homonymie). Le laboratoire d astrobiologie martienne (Astrobiology Field Laboratory) … Wikipédia en Français
Darwin (spacecraft) — Darwin General information Organization European Space Agency (ESA) Launched from Guiana Space Centre French Guiana [1] Launch vehicle Soyuz 2/Fregat … Wikipedia
Anthropic principle — In astrophysics and cosmology, the anthropic principle is the philosophical argument that observations of the physical Universe must be compatible with the conscious life that observes it. Some proponents of the argument reason that it explains… … Wikipedia
Drake equation — This article is about Frank Drake s equation. For the Tub Ring music album, see Drake Equation (album). The Drake equation (sometimes called the Green Bank equation or the Green Bank Formula) is an equation used to estimate the number of… … Wikipedia
Life — For other uses, see Life (disambiguation). Life (Biota / Vitae / Eobionti) … Wikipedia
Panspermia — (Greek: πανσπερμία from πᾶς/πᾶν (pas/pan) all and σπέρμα (sperma) seed ) is the hypothesis that life exists throughout the Universe, distributed by meteoroids, asteroids and planetoids.[1] Panspermia proposes tha … Wikipedia
