Astronauts who have been in space say the smell sticks to their spacesuits
OR space sidereal has a distinctive and unique odor, which is described as burning barbecue, hot metal, gunpowder, rotten eggs and even cigarette smoke.
Astronauts who have stayed in space say the smell sticks to their spacesuits as soon as a decompression chamber is repressurized. One assumption is that the smell comes from dying stars.
When one star dies, many power is released, which produces pungent compounds known as polycyclic aromatic hydrocarbons (PAHs).
“Space definitely smells different than anything else,” the astronaut said NASA Dominic A. Antonelli after a spacewalk in 2009.
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Other theories
Another is a theory related to pollution around the International Space Station (ISS), where astronauts carry out research activities.
According to experts, this happens because the Sun’s ultraviolet rays can split the molecules of oxygeninto individual atoms.
This atomic oxygen can return to objects that have been exposed to space, such as space pathways and airlock walls, and trigger chemical reactions that cause odor. Former NASA astronaut Thomas Jones compared the smell to ozone.
Another NASA astronaut, Don Pettit, detailed the smell of space in a post about blog from the agency, saying, “The best description I can come up with is metallic; a soft metallic sensation, quite pleasant. It reminded me of college summers when I worked long hours with an arc welding torch repairing heavy equipment for a small lumber company. It reminded me of welding fumes which have a pleasant, sweet smell. This is the smell of space.”
perfume
In 2020, biochemist Steve Pearce, founder of Omega Ingredients, created the Eau de Space fragrances, at the request of NASA. The aroma is used in the training of astronauts, so that they get used to the smell and thus eliminate any surprises.
The Rosetta space probe, built by the European Space Agency (ESA) and launched in 2004, was able to describe the smell of comet 67P/Churyumov-Gerasimenko.
According to Kathrin Altwegg, one of the mission’s lead researchers, the smell is that of “rotten eggs (hydrogen sulfide), horse stables (ammonia) and the pungent, suffocating odor of formaldehyde. This is mixed with the faint, bitter, almond-like aroma of hydrogen cyanide.”
“Add to this mixture a little alcohol (methanol), combined with the vinegary aroma of sulfur dioxide and a pinch of the sweet, aromatic aroma of carbon disulfide, and you arrive at the ‘perfume’ of our comet,” he said. continued.
Source: Terra
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