How does the ISS smell?

But astronauts aboard the ISS have reported that they notice a metallic aroma – like the smell of welding fumes – on the surface of their spacesuits once the airlock has re-pressurised.
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What does International Space Station smell like?

British chemist Steve Pearce described it as a mixture of sweaty feet, nail-polish remover, body odor, and vodka, among other things.
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What does the smell of space smell like?

A succession of astronauts have described the smell as '… a rather pleasant metallic sensation ... [like] ... sweet-smelling welding fumes', 'burning metal', 'a distinct odour of ozone, an acrid smell', 'walnuts and brake pads', 'gunpowder' and even 'burnt almond cookie'.
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Why does ISS smell like burning metal?

That is the smell of space. Louis Allamandola, director of the Astrophysics and Astrochemistry Lab at NASA's Ames Research Center, told Popular Science that this smell is due to the polycyclic aromatic hydrocarbons floating around in space.
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Is the ISS clean?

The astronauts do some cleaning between their duties.

They use liquid detergent, disposable plastic gloves, multi-purpose wiping cloths and a vacuum cleaner for cleaning. To clean, they spray the detergent, wipe with the cloth, and vacuum the dust.
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What does space smell like? Astronaut Chris Hadfield answers your questions



How do astronauts shower?

The astronauts wipe their body clean by using a wet towel, and wash their hair by using waterless shampoo. Since water does not flow in a zero-gravity environment, the astronauts cannot wash their hands under a faucet as you do on Earth. So, there are no sinks or showers inside the space shuttle.
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Does the ISS get dusty?

Not so on the International Space Station. Like any home, it gets dusty, but the particles don't settle…they float. And that's a problem for astronauts living and working there. Dust can get in their eyes and nose causing irritation and allergic reactions.
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Can you fart in space?

Surprisingly, that isn't the biggest problem associated with farting in space. Though you're definitely more likely to worsen a small fire when you fart, it won't always injure or kill you. The worst part about farting in space is the lack of airflow. Let's take a step back and remember how farting on Earth works.
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How does space taste like?

In 2009, astronomers were able to identify a chemical called ethyl formate in a big dust cloud at the center of the Milky Way. Ethyl formate happens to be responsible for the flavor of raspberries (it also smells like rum). Space tastes like raspberries! What a downright delightful thing for space to taste like.”
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How cold is space?

According to data from the Cosmic Background Explorer (COBE) satellite, the temperature of space is 2.725K (2.725 degrees above absolute zero).
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Can you smell a fart in space?

Therefore, the fart will not be smelled by the astronaut, although they may marinate in it for a time. When astronauts are not in the space suit and floating about, the fart smell is exaggerated by the lack of airflow from the recycled air used and its inability to mask any smell.
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Can someone hear you scream in space?

That infamous tag line from 1979's Alien, “In space no one can hear you scream.” No one can hear you because the audible sound waves from that scream can't pass through space.
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Has anyone been lost in space?

A total of 18 people have lost their lives either while in space or in preparation for a space mission, in four separate incidents. Given the risks involved in space flight, this number is surprisingly low. The two worst disasters both involved NASA's space shuttle.
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Are astronauts stinky?

Astronaut Thomas Jones said it "carries a distinct odor of ozone, a faint acrid smell…a little like gunpowder, sulfurous." Tony Antonelli, another space-walker, said space "definitely has a smell that's different than anything else." A gentleman named Don Pettit was a bit more verbose on the topic: "Each time, when I ...
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Does the ISS have a shower?

On the ISS, astronauts do not shower but rather use liquid soap, water, and rinseless shampoo. They squeeze liquid soap and water from pouches onto their skin. Then they use rinseless soap with a little water to clean their hair. They use towels to wipe off the excess water.
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Do astronauts use deodorant in space?

To stay clean, most astronauts request a Russian-made toiletry pouch among their personal items. The pouch includes toothpaste, a toothbrush and deodorant — enough to last six months, the typical stay aboard the station.
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What does the sun smell like?

But the truth is that the sun itself doesn't have a smell — or if it does, we can't get a whiff of it. So what we're left with is the "smell" of outside air. And that's where the story gets interesting, because it turns out that air really does smell differently based on whether it's a warm, sunny day or a cold one.
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What color is space?

If we add up all the light coming from galaxies (and the stars within them), and from all the clouds of gas and dust in the Universe, we'd end up with a colour very close to white, but actually a little bit 'beige'.
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What does the Galaxy smell like?

The Center of the Galaxy

A few years ago, astronomers reported that the enormous dust cloud at the center of the Milky Way smells like raspberries.
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Can you get pregnant in space?

While sex in space could present some mechanical problems, conceiving a child in the final frontier might be downright dangerous. "There are many risks to conception in low or microgravity, such as ectopic pregnancy," Woodmansee said.
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Why is it impossible to cry in space?

But in zero gravity, the tears themselves can't flow downward in the way they do on Earth. The moisture generated has nowhere to go. Tears, Feustel put it, "don't fall off of your eye ... they kind of stay there." NASA spacewalk officer Allison Bollinger, who oversaw Feustel's EVA, confirmed this assessment.
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Why is the ISS so messy?

Since there are six people, they have more time for scientific experiments, and this should be ISS' main task. However, the maintenance task of the complex take most of their daily activities. These time constraints and the lack of space make the station look untidy.
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How does International Space Station get water?

Astronauts living and working 400 km above our planet might prefer not to think about it, but the water they drink is recycled from their colleague's sweat and exhaled breath – collected as condensation on the Space Station's walls.
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How dirty is the ISS?

There's a little known, dirty story about the International Space Station (ISS): It's filled with bacteria and fungi. A new study has found compelling evidence that microorganisms from human skin are present throughout the station, and some of the bugs could cause serious harm to astronauts.
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What happens to human waste on space station?

Astronauts say that “Today's coffee is tomorrow's coffee!” Sometimes, astronaut poop is brought back to Earth for scientists to study, but most of the time, bathroom waste – including poop – is burned. Poop is vacuumed into garbage bags which are put into airtight containers.
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