Can you hear yourself talk in space?

No, you cannot hear any sounds in near-empty regions of space. Sound travels through the vibration of atoms and molecules in a medium (such as air or water). In space, where there is no air, sound has no way to travel.
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Can you hear your own heartbeat in space?

The cochlea needs that fluid to pass vibrations to tiny hairs that then trigger nerve endings, which is what your brain interprets as sound. During that time you might not hear your heart pounding any more, but you could probably hear yourself scream, for instance, in a dim, distorted way.
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What happens if you shout in space?

A: 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.
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Can you hear yourself on the moon?

However, the Moon is in space, and space is mostly a vacuum (there are always some atoms floating around, but they are VERY far apart and don't interact with one another). Thus there is no sound on the Moon.
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Why can't you 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.
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Can You Hear Sound in Space?



What does space smell like?

​“The best description I can come up with is metallic; a rather pleasant, sweet metallic sensation.” Other astronauts have likened its aroma to ​“hot metal”, ​“seared steak” and, according to Apollo 17 astronaut Gene Cernan, ​“spent gunpowder”.
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Is space completely silent?

In space, no one can hear you scream. This is because there is no air in space – it is a vacuum. Sound waves cannot travel through a vacuum. 'Outer space' begins about 100 km above the Earth, where the shell of air around our planet disappears.
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Can u jump off the Moon?

Although you can jump very high on the moon, you'll be happy to know that there's no need to worry about jumping all the way off into space. In fact, you'd need to be going very fast – more than 2 kilometres per second – to escape from the moon's surface.
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Is there sound on the sun?

Today, we can hear the Sun's movement — all of its waves, loops and eruptions — with our own ears. This sound helps scientists study what can't be observed with the naked eye.
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What happens if you jump on the Moon?

The Moon's gravity is weaker than the Earth's — in fact it is 1/6th as strong as on Earth. When you're on the Moon, you are 1/6th as heavy. So if you weigh 75 pounds on Earth, you would only weigh about 12 pounds on the Moon. But your muscles are as strong as they are on Earth, so you can jump 6 times farther!
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How cold is space?

The Cosmic Background Explorer (COBE) satellite has refined temperature measurements taken way back in 1964. 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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Will headphones work in space?

Like said, bone conduction headphones would work in space, because they don't rely on air to relay the sound waves, they rely on your bone.
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Can you play music in space?

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.
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What's the quietest place on earth?

According to the Guinness Book of Records, the anechoic chamber at Orfield Laboratories in Minneapolis is the quietest place in the world, with a background noise reading of –9.4 decibels.
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Can you visit the quietest room on earth?

The Orfield Laboratories, once dubbed “the quietest place on earth” (see below), is now open to the public and has become a tourist hot spot.
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What do we hear when it is silent?

The brain creates noise to fill the silence, and we hear this as tinnitus. Perhaps only someone with profound deafness can achieve this level of silence, so paradoxically loud.
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How loud is a black hole?

On how the black hole audio was made

And it was essentially a B-flat about 57 octaves below middle C. So we've taken that sound that the universe was singing and then just brought it back up into the range of human hearing — because we certainly can't hear 57 octaves below middle C.
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What was the loudest recorded sound 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.
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How loud is space?

Studies on a single space shuttle flight found temporary partial deafness in the crew. Inside the International Space Station (ISS) it is so loud that some fear for the astronauts' hearing. At its worst, the noise level in sleep stations was about the same as in a very noisy office (65 decibels).
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How cold is the Moon?

The average temperature on the Moon (at the equator and mid latitudes) varies from -298 degrees Fahrenheit (-183 degrees Celsius), at night, to 224 degrees Fahrenheit (106 degrees Celsius) during the day.
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How long is a day on Mars?

Mars is a planet with a very similar daily cycle to the Earth. Its sidereal day is 24 hours, 37 minutes and 22 seconds, and its solar day 24 hours, 39 minutes and 35 seconds. A Martian day (referred to as “sol”) is therefore approximately 40 minutes longer than a day on Earth.
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What is the temperature on the Moon?

Taking the Moon's Temperature

Daytime temperatures near the lunar equator reach a boiling 250 degrees Fahrenheit (120° C, 400 K), while nighttime temperatures get to a chilly -208 degrees Fahrenheit (-130° C, 140 K). The Moon's poles are even colder.
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Do we age faster in space?

Scientists have recently observed for the first time that, on an epigenetic level, astronauts age more slowly during long-term simulated space travel than they would have if their feet had been planted on Planet Earth.
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How dark is space?

How dark does space get? If you get away from city lights and look up, the sky between the stars appears very dark indeed. Above the Earth's atmosphere, outer space dims even further, fading to an inky pitch-black. And yet even there, space isn't absolutely black.
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Is fire possible 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.
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