A biosignature (sometimes called chemical fossil or molecular fossil) is any substance – such as an element, isotope, molecule, or phenomenon – that provides...
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assessing the release of an additional 250 kg (550 lb) probe called Biosignature Explorer for Europa (BEE), that would have been equipped with a basic...
100 KB (9,239 words) - 12:51, 29 September 2024
understanding selection processes, evolution, and the identification of biosignatures in astrobiology. The hypothesis was proposed by chemist Leroy Cronin...
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extracellular stalk-ribbon structure rich in iron, known as a typical biosignature of microbial iron oxidation. These structures can be easily detected...
32 KB (3,802 words) - 20:18, 12 September 2024
Zhuchang; Hu, Renyu; Bains, William (11 October 2019). "Phosphine as a Biosignature Gas in Exoplanet Atmospheres". Astrobiology. 20 (2) (published February...
39 KB (3,593 words) - 22:09, 15 August 2024
fossils. Some fossils are biochemical and are called chemofossils or biosignatures. Gathering fossils dates at least to the beginning of recorded history...
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view of a gene as an aperiodic crystal, provides a so-called "agnostic biosignature", a sign of life that does not presuppose any biochemistry. In other...
30 KB (3,326 words) - 22:14, 8 April 2024
Life on Mars (section Possible biosignatures)
telescopic investigations and deployed probes, searching for water, chemical biosignatures in the soil and rocks at the planet's surface, and biomarker gases in...
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environments in the Solar System and beyond, the search for planetary biosignatures of past or present extraterrestrial life, and the study of the origin...
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61 Cygni (section Object for biosignature research)
Groombridge 1618, and HD 156026 may be particularly good targets for future biosignature searches,' said Arney. Wikimedia Commons has media related to 61 Cygni...
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interactions, abiogenesis on Earth, planetary habitability, research on biosignatures for life detection, and studies on the potential for life to adapt to...
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non-hycean planets, thus making detection of biosignatures easier. Hycean worlds could be investigated for biosignatures by terrestrial telescopes and space telescopes...
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horizontality Provenance Sedimentary record Sedimentology Stratigraphy Rock cycle calcium silica carbonate-silicate Paleolimnology Biosignature Category v t e...
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proposed deep space fleet of space telescopes designed to search for biosignatures of life in the atmospheres of exoplanets. Daniel Apai, lead astronomer...
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illustrating that hydrogen is no impediment to life. However, a number of biosignature gases used to identify the presence of life are not reliable indicators...
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including an impactor in combination with a thermal drill to search for biosignatures that might be frozen in the shallow subsurface. Another proposal put...
131 KB (12,843 words) - 05:21, 17 September 2024
enhance human health and the environment. Biology, the study of life Biosignature Carbon-based life Central dogma of molecular biology History of life...
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possible 2450 Ma red alga from the Kola Peninsula, 1650 Ma carbonaceous biosignatures in north China, the 1600 Ma Rafatazmia, and a possible 1047 Ma Bangiomorpha...
33 KB (3,531 words) - 22:52, 12 September 2024
phosphine) and Mars (via methane) was reported. Scientists search for biosignatures within the Solar System by studying planetary surfaces and examining...
117 KB (13,698 words) - 18:04, 30 September 2024
discovered on Mars in June 2024 has been designated by NASA as a "potential biosignature" and was core sampled by the Perseverance rover for possible return to...
205 KB (18,245 words) - 22:03, 26 August 2024
for extraterrestrial life oxygen is a strong biosignature. That said it might not be a definite biosignature, being possibly produced abiotically on celestial...
114 KB (11,793 words) - 23:12, 18 August 2024
hypothesis Related topics Ancient astronauts Astrobiology Astroecology Biosignature Brookings Report Exotheology Extraterrestrials in fiction Extremophile...
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Andreas; Kooijman, Ellen; Kielmann-Schmitt, Melanie (3 June 2021). "Biosignatures of ancient microbial life are present across the igneous crust of the...
97 KB (10,227 words) - 14:10, 10 August 2024
discrete vanadium accumulations on Mars could be a potential microbial biosignature when used in conjunction with Raman spectroscopy and morphology. All...
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for past or present life on Mars. Furthermore, organic components (biosignatures) that are often associated with biominerals are believed to play crucial...
109 KB (13,007 words) - 16:14, 20 July 2024
of purple retinal pigments on Earth and implications for exoplanet biosignatures". International Journal of Astrobiology. 20 (3): 241–250. arXiv:1810...
109 KB (11,779 words) - 23:18, 7 September 2024
horizontality Provenance Sedimentary record Sedimentology Stratigraphy Rock cycle calcium silica carbonate-silicate Paleolimnology Biosignature Category v t e...
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atmosphere, allowing astronomers to determine whether or not the methane is a biosignature. Webb orbits the Sun near the second Lagrange point (L2) of the Sun–Earth...
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Astrobiology: Records of Life on Earth and the Search for Extraterrestrial Biosignatures. Cellular Origin, Life in Extreme Habitats and Astrobiology. Vol. 12...
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that directly opposes it. In line with this, it is suggested that if biosignatures could be detected on two (or more) adjacent planets, that would provide...
54 KB (6,258 words) - 15:57, 29 September 2024