- A
biosignature (sometimes
called chemical fossil or
molecular fossil) is any substance – such as an element, isotope, molecule, or phenomenon – that provides...
- to
contain dimethyl sulfide (DMS), a
chemical that
could serve as a
biosignature on exoplanets, in
quantities 20
times higher than on Earth. As the molecule...
-
environments in the
Solar System and beyond, the
search for
planetary biosignatures of past or
present extraterrestrial life, and the
study of the origin...
-
Possible biosignatures are
discovered in the
atmosphere of
exoplanet K2-18b (artistic
impression of planet)...
-
molecule that is ****ociated with
biological processes and thus used as a
biosignature in
astrobiology Swern oxidation Gaia
hypothesis Geosmin, the substance...
-
understanding selection processes, evolution, and the
identification of
biosignatures in astrobiology. However, the
usefulness of the
approach has been disputed...
-
discovered on Mars in June 2024 has been
designated by NASA as a "potential
biosignature" and was core
sampled by the ****verance
rover for
possible return to...
-
habitable zone, but a 2015
study implies that
there may not be a
detectable biosignature because it has only been in the
temperate zone for less than one billion...
- non-hycean planets, thus
making detection of
biosignatures easier.
Hycean worlds could be
investigated for
biosignatures by
terrestrial telescopes and
space telescopes...
-
extracellular stalk-ribbon
structure rich in iron,
known as a
typical biosignature of
microbial iron oxidation.
These structures can be
easily detected...
