Lifestyle
It turns out that space helmets have a dual purpose: to let in air and keep out odors.
Just like the earth, the universe emits various odors from every corner of the endless universe, and these odors are generally unpleasant. Space.com reported. He cited numerous space explorations over the decades.
It’s impossible to smell space without facing certain death, but astronauts have long said that a strong odor lingers in their spacesuits after returning to a sealed room.
metallic, charred meat
Those on board the Apollo moon landings described the smell as like gunpowder, and those who crossed the International Space Station compared it to burnt steak.
Scientists say the metallic smell of burnt meat may be caused by polycyclic aromatic hydrocarbons (PAHs), which are found in burnt food on Earth and are common in space. To do.
However, this metallic smell is not something seen in space, and is likely a reaction to oxygen. Before the astronauts enter the airless vacuum, single atoms of O2 attach to their spacesuits and are repressurized upon re-entry into the airlock, causing the following reaction: Space.com reports that fresh oxygen atoms form ozone (O3).
Liquor
Some astronauts who take off their helmets after spacewalks also report that ozone smells bitter and smoky, even like rum or raspberries. — Former NASA chemist Steve Pearce It is this scent that was packed into the perfume “Eau de Space” in 2020.
The smell of this booze is a little more on the nose than other explanations, and it has previously been associated with Sagittarius B2, the vast dust cloud at the center of the galaxy that contains large amounts of alcohols such as vinyl alcohol, methanol, and ethanol. It was associated.
Fortunately, this cloud also contains a compound called ethyl formate, which gives raspberries and rum their sweet flavor.
fart
As if its name didn’t make it clear, Uranus gives off a strong odor of putrid flatulence, discovered in 2018.
The seventh planet from the sun’s upper atmosphere is made up of hydrogen sulfide, the compound that gives off the smell of rotten eggs and human farts.
For better or worse, the harsh conditions and extremely low temperatures of the distant planet will kill Earthlings long before they can smell it.
urine
Despite being some of the most beautiful places in space, comets have garnered attention as one of the smelliest.
Scientists discovered in 2014 that, like the planet Uranus, the ball of ice and dirt is surrounded by a halo of hydrogen sulfide molecules and ammonia, reminiscent of the unpleasant smell of urine.
Strangely enough, it also has a sweet almond-like scent.
gasoline
Scientists have discovered that Saturn’s largest moon has a distinctive gasoline smell. This is not surprising given that Titan is covered in rivers and oil lakes.
The moon’s atmosphere also consists of a dense smog of hydrocarbons, the molecules that form the crude oil used to make gasoline.
The odor itself could be due to benzene molecules, which are also naturally present in gasoline and floating in Titan’s atmosphere.
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