Brommetan Hay Methyl Bromide (CH3Br), existing in parallel with Earth’s creatures, is something scientists should capture on worlds suspected of having extraterrestrial life.
Research led by Dr Michaela Leung of the University of California, Riverside – USA, the group “Alternative Earth” from NASA and the NExSS Virtual Planetary Laboratory confirm that CH3Br will not only represent microorganisms, but may also indicate the hiding place of higher extraterrestrial life.
These will be macroalgae, fungi and plants, which may be similar to species present on Earth.
A world that could harbor extraterrestrial life orbiting an M-type dwarf star
A world that could harbor extraterrestrial life orbiting an M-type dwarf star – (Graphic photo: Ron Miller)
Leaf Sci-News Quoting Dr. Leung: “Methylation is very common on Earth, so we expect life to be able to do it elsewhere. Most cells have mechanisms to expel toxic substances.”
CCH3Br was originally created by methylation processwhen a living organism attaches one carbon atom and three hydrogen atoms to an unwanted chemical element, in this case bromine, so that they drift safely into the atmosphere.
So, if brommethane or any other methylated compound is identified in the spectrum of exoplanets, this could be where life is hiding.
The reason CH3Br is mentioned favorably is that it has advantages over other methylated gases. They exist in the atmosphere for a shorter period of time than traditional biological gases, suggesting that life on this planet may still be continuous.
This compound is also more likely to be created by living organisms rather than a natural process like methane, which can be a product of volcanoes or other geological processes.
Additionally, this gas absorbs light near a biologically specific substance “cousin” Be methyl chloride (CH3Cl), helping to increase identification capacity. Although methyl bromide is extremely common on Earth, it is not easily detected in our atmosphere because the intensity of UV rays from the Sun breaks down water molecules in the atmosphere and separates them into gaseous products of destruction.
However, with a common M-type dwarf star in the Milky Way, cold and with less radiation, it will be a potential biological signal and easy to detect.
Even though many potentially habitable planets have been discovered out of a total of more than 5,000 identified exoplanets, terrestrial telescopes are still not capable of looking directly at the surface of a planet or world to see if anything is moves there.
But life can be entirely determined by biological symbols from spectral data of the atmospheres of exoplanets, such as oxygen, methane… which are also things closely linked to living life on Earth.
The research has just been published in a scientific journal Journal of Astrophysics.
Article source: NLD
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Brommethane or methyl bromide (CH 3 Br), which exists alongside terrestrial organisms, is something scientists should understand in suspicious worlds…