Can you scream in space?

Sound is a mecanical wave, which means that it needs substance to travel through, such as air or water. In space, there is no air, so sound has nothing to travel through. If someone were to scream in space, the sound wouldn’t even leave their mouths.

Can you talk in space?

When astronauts are out in space, they can whistle, talk, or even yell inside their own spacesuit, but the other astronauts would not hear the noise. In fact, the middle of space is very quiet. Sound travels in waves, and it moves at different speeds through air or water or other materials.

What happens if you play sound in space?

Sound waves need to travel through air to produce a sound. As there is air on a spacecraft, musical instruments should still work. However, it might not work if you try to play outside of a shuttle or space station. On a violin or guitar, the strings would vibrate without producing a sound.

Does silence exist in space?

Sound does not travel at all in space. The vacuum of outer space has essentially zero air. Because sound is just vibrating air, space has no air to vibrate and therefore no sound. If you are sitting in a space ship and another space ship explodes, you would hear nothing.

Why can’t we hear an astronaut talking in space?

Sound is a mechanical wave and requires a material medium for propagation. There is nothing in space. There is no atmosphere. Even if the astronauts are floating in the atmosphere next to each other they can't hear each other.

Can we cry in space?

However, as astronaut Chris Hadfield notes, in microgravity, “your eyes make tears but they stick as a liquid ball.” In other words, astronauts technically can’t cry. Sure, you can get a watery substance to come out of your eyes, but it doesn’t fall like it ordinarily does on Earth.

Do guns work in space?

Fires can’t burn in the oxygen-free vacuum of space, but guns can shoot. Modern ammunition contains its own oxidizer, a chemical that will trigger the explosion of gunpowder, and thus the firing of a bullet, wherever you are in the universe. No atmospheric oxygen required.

What happens if you cry in space?

However, as astronaut Chris Hadfield notes, in microgravity, “your eyes make tears but they stick as a liquid ball.” In other words, astronauts technically can’t cry. Sure, you can get a watery substance to come out of your eyes, but it doesn’t fall like it ordinarily does on Earth.

Does space have a smell?

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 …

How noisy is space?

No, there isn’t sound in space.

This is because sound travels through the vibration of particles, and space is a vacuum. On Earth, sound mainly travels to your ears by way of vibrating air molecules, but in near-empty regions of space there are no (or very, very few) particles to vibrate – so no sound.

Why is space infinite?

There’s a limit to how much of the universe we can see. The observable universe is finite in that it hasn’t existed forever. It extends 46 billion light years in every direction from us. (While our universe is 13.8 billion years old, the observable universe reaches further since the universe is expanding).

What does 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’.

Can you cry blood?

Crying bloody tears may seem like a fictional occurrence, but tears tinged with blood are an actual medical condition. Referred to as haemolacria, crying bloody tears is a rare condition that causes a person to produce tears tinged with, or partially made of, blood.

Can a fire burn in space?

Fires can’t start in space itself because there is no oxygen – or indeed anything else – in a vacuum. Yet inside the confines of spacecraft, and freed from gravity, flames behave in strange and beautiful ways. They burn at cooler temperatures, in unfamiliar shapes and are powered by unusual chemistry.

Can a bullet fire in space?

Modern ammunition contains its own oxidizer, a chemical that will trigger the explosion of gunpowder, and thus the firing of a bullet, wherever you are in the universe. No atmospheric oxygen required. The only difference between pulling the trigger on Earth and in space is the shape of the resulting smoke trail.

Will a body decay in space?

Inside a spacesuit, rigor mortis would still occur since it is the result of the cessation of bodily functions. And bacteria from the gut would still devour the soft tissues. But these bacteria need oxygen to function properly and so limited supplies of air would significantly slow down the process.

Does space have an end?

No, they don’t believe there’s an end to space. However, we can only see a certain volume of all that’s out there. Since the universe is 13.8 billion years old, light from a galaxy more than 13.8 billion light-years away hasn’t had time to reach us yet, so we have no way of knowing such a galaxy exists.

What is the loudest thing on Earth?

The loudest sound in recorded history came from the volcanic eruption on the Indonesian island Krakatoa at 10.02 a.m. on August 27, 1883. The explosion caused two thirds of the island to collapse and formed tsunami waves as high as 46 m (151 ft) rocking ships as far away as South Africa.

Does the multiverse exist?

Even though certain features of the universe seem to require the existence of a multiverse, nothing has been directly observed that suggests it actually exists. So far, the evidence supporting the idea of a multiverse is purely theoretical, and in some cases, philosophical.

How will the universe end?

Eventually, the entire contents of the universe will be crushed together into an impossibly tiny space – a singularity, like a reverse Big Bang. Different scientists give different estimates of when this contraction phase might begin. It could be billions of years away yet.

Can you hear in space?

No, there isn’t sound in space.

This is because sound travels through the vibration of particles, and space is a vacuum. On Earth, sound mainly travels to your ears by way of vibrating air molecules, but in near-empty regions of space there are no (or very, very few) particles to vibrate – so no sound.

Can you run out of tears?

Cry all you want — you won’t run out of tears

According to the American Academy of Ophthalmology (AAO), you make 15 to 30 gallons of tears every year. Your tears are produced by lacrimal glands located above your eyes. Tears spread across the surface of the eye when you blink.

What causes black tears?

Although the exact mechanism for black tears is not very clear, we believe that mechanical inoculation (rubbing into the eyes) is the cause. The pigmentation resulting from silver deposits is irreversible. Chelation therapy and dermabrasion are ineffective in removing silver deposits from the body.

Can you get pregnant in space?

Although, according to Jennifer Fogarty, an expert in space medicine, from an anatomical and biological point of view, human conception in space is absolutely possible. But there are serious risks that microgravity and radiation can severely damage and even kill the fetus.

Would a body decompose in space?

1. Unless there’s a source of heat nearby, the body will be quickly frozen, and decomposition will take thousands or even millions of years. 2. If there’s heat, but no spacesuit or spacecraft, the body will very quickly dry out, because water evaporates extremely quickly in the vacuum of space.

How many bodies are lost in space?

During spaceflight. As of March 2021, in-flight accidents have killed 15 astronauts and 4 cosmonauts, in five separate incidents. Three of them had flown above the Kármán line (edge of space), and one was intended to do so. In each case, the entire crew was killed.

Can You Hear a Scream in Space? | MythBusters Jr.

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