A biosignature (sometimes called chemical fossil or molecular fossil) is any substance – such as an element, isotope, molecule, or phenomenon – that provides...
84 KB (8,813 words) - 15:07, 17 July 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...
205 KB (19,932 words) - 17:44, 12 July 2024
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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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...
41 KB (4,751 words) - 06:54, 27 May 2024
fossils. Some fossils are biochemical and are called chemofossils or biosignatures. Gathering fossils dates at least to the beginning of recorded history...
109 KB (11,337 words) - 13:36, 15 July 2024
Zhuchang; Hu, Renyu; Bains, William (11 October 2019). "Phosphine as a Biosignature Gas in Exoplanet Atmospheres". Astrobiology. 20 (2) (published February...
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in a fragmentation tandem mass spectrometry instrument to search for biosignatures. The theory was extended to map chemical space with molecular assembly...
18 KB (2,072 words) - 22:22, 15 June 2024
non-hycean planets, thus making detection of biosignatures easier. Hycean worlds could be investigated for biosignatures by terrestrial telescopes and space telescopes...
22 KB (2,167 words) - 23:34, 21 June 2024
extracellular stalk-ribbon structure rich in iron, known as a typical biosignature of microbial iron oxidation. These structures can be easily detected...
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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...
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horizontality Provenance Sedimentary record Sedimentology Stratigraphy Rock cycle calcium silica carbonate-silicate Paleolimnology Biosignature Category v t e...
63 KB (7,683 words) - 08:39, 25 June 2024
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 (3,523 words) - 14:06, 1 July 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 (11,791 words) - 13:20, 17 July 2024
including an impactor in combination with a thermal drill to search for biosignatures that might be frozen in the shallow subsurface. Another proposal put...
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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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environments in the Solar System and beyond, the search for planetary biosignatures of past or present extraterrestrial life, and the study of the origin...
109 KB (11,211 words) - 16:43, 16 July 2024
Andreas; Kooijman, Ellen; Kielmann-Schmitt, Melanie (3 June 2021). "Biosignatures of ancient microbial life are present across the igneous crust of the...
97 KB (10,225 words) - 23:34, 20 July 2024
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...
110 KB (11,795 words) - 22:17, 12 July 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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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
horizontality Provenance Sedimentary record Sedimentology Stratigraphy Rock cycle calcium silica carbonate-silicate Paleolimnology Biosignature Category v t e...
35 KB (3,935 words) - 22:57, 14 June 2024
hypothesis Related topics Ancient astronauts Astrobiology Astroecology Biosignature Brookings Report Exotheology Extraterrestrials in fiction Extremophile...
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The Cassini–Huygens mission was not equipped to provide evidence for biosignatures or complex organic compounds; it showed an environment on Titan that...
165 KB (15,990 words) - 17:26, 19 July 2024
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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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...
214 KB (19,857 words) - 03:37, 18 July 2024
ice-cemented ground in the northern plains to conduct a search for biosignatures of current or past life on Mars. The science goals for Icebreaker Life...
27 KB (3,025 words) - 17:07, 24 April 2024
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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interactions, abiogenesis on Earth, planetary habitability, research on biosignatures for life detection, and studies on the potential for life to adapt to...
98 KB (10,172 words) - 22:47, 23 June 2024
proposed a revised equation that focuses on the search for planets with biosignature gases. These gases are produced by living organisms that can accumulate...
73 KB (8,490 words) - 17:50, 13 July 2024