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What does space smell like? The Science of Its Smell

The vast majority of astronauts agree that the smell of burning is the hallmark of space. | Fountain: NASA photo on Unsplash

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The Universe itself does not have a perceptible aroma for humans, but dozens of astronauts going to space described a kind smell in space: resembles burnt metal.

But the question remains: how can a smell exist in space if there are no gases or air emitting this aroma? For this reason, science has tried to explain this process in order to understand it.

Why do astronauts smell space?

He smell There are several theories for combustion in space.

The main one goes to the astronauts’ spacesuit. In space, oxygen is atomic (consists of one atom), and on Earth, oxygen is diatomic (O2). Astronauts’ suits are contaminated with these particles, which come into contact with spacecraft such as the International Space Station, causing the ozone (O3) generating reaction emitted by that spacecraft. smell burn

Another theory concerns dying stars.

Dying stars can generate polycyclic aromatic hydrocarbons (PAHs) that can spread throughout the universe and reach astronauts’ noses.

confirm

According to astronaut Tim Peake, “This enigmatic fragrance is the subject of brotherly debate among astronauts. It has been compared to grilled steak, hot metal, welding fumes and smell barbecue, to name a few.”

Even on Earth, perfumes have been created to convey this smell of burning, but with sweet notes: Eau de Space. His price? Only 29 dollars.

We recommend you METADATA, an RPP technology podcast. News, analytics, reviews, recommendations and everything you need to know about the world of technology.

Source: RPP

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