A biosignature (sometimes called chemical fossil or molecular fossil) is any substance – such as an element, isotope, molecule, or phenomenon – that provides...
84 KB (8,718 words) - 21:10, 3 September 2024
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
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...
98 KB (9,153 words) - 20:53, 11 September 2024
fossils. Some fossils are biochemical and are called chemofossils or biosignatures. Gathering fossils dates at least to the beginning of recorded history...
111 KB (11,445 words) - 22:28, 3 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
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 (4,749 words) - 10:54, 10 September 2024
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 (11,237 words) - 04:10, 12 September 2024
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
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...
206 KB (19,996 words) - 15:22, 7 September 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 (3,531 words) - 22:52, 12 September 2024