- Why can sound not travel through empty space?
- Would a gun fire in space?
- Does space have sound?
- How much do astronauts get paid?
- Are any astronauts lost in space?
- Can you hear anything in space?
- Is sound a transverse wave?
- What does space smell like?
- Does the sun make a noise?
- How many dead bodies are in space?
- Can you breathe in space?
- Is the flag still on the moon?
- What if sound would travel through space?
- Can you fart in space?
- Why we Cannot talk in space?
- Why is space silent?
- Is space completely silent?
Why can sound not travel through empty space?
Sound waves are travelling vibrations of particles in media such as air, water or metal.
So it stands to reason that they cannot travel through empty space, where there are no atoms or molecules to vibrate..
Would a gun fire 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.
Does space have sound?
Space is a vacuum — so it generally doesn’t carry sound waves like air does here on Earth (though some sounds do exist in outer space, we just can’t hear them). But the various probes zooming through our cosmos are capable of capturing radio emissions from space objects.
How much do astronauts get paid?
Astronauts’ annual salaries are determined using a government pay scale, and starting out, typically fall under two grades: GS-12 and GS-13. According the US government’s 2020 pay scales and a NASA job listing, a civilian astronaut in 2020 can earn between $66,167 and $161,141 per year.
Are any astronauts lost in space?
Well, if you’ve ever pondered over that query, then the truth is yes, people have lost their lives trying to fill in the gaps about what lies in the heavens. Since the dawn of space travel, a sum total of 18 astronauts/cosmonauts have died during the space flight missions.
Can you hear anything 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.
Is sound a transverse wave?
Sound can propagate through a medium such as air, water and solids as longitudinal waves and also as a transverse wave in solids (see Longitudinal and transverse waves, below). The sound waves are generated by a sound source, such as the vibrating diaphragm of a stereo speaker.
What does space smell like?[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’. Some astronauts have likened the smells of space to walnuts. … It may be this, and not an interstellar aroma, that astronauts are smelling.
Does the sun make a noise?
The surface of the Sun produces sound waves because the surface is convecting and this produces pressure waves that travel into the inner corona. … But yes, the surface does produce sound waves, but they have very low wavelengths measures in hundreds of miles!
How many dead bodies are in space?
three astronautsOnly three astronauts have died in space: Georgy Dobrovolsky , Vladislav Volkov , and Viktor Patsayev . They were the crew of the Soyuz 11 mission in June of 1971. The spacecraft depressurized during preparations for re-entry, while it was 168 km above Earth’s surface, and they died within a minute.
Can you breathe in space?
Whatever you do, don’t hold your breath! The vacuum of space will pull the air from your body. So if there’s air left in your lungs, they will rupture. … Without air in your lungs, blood will stop sending oxygen to your brain.
Is the flag still on the moon?
Images taken by a Nasa spacecraft show that the American flags planted in the Moon’s soil by Apollo astronauts are mostly still standing. The photos from Lunar Reconaissance Orbiter (LRO) show the flags are still casting shadows – except the one planted during the Apollo 11 mission.
What if sound would travel through space?
This means that they will eventually break upon themselves and crash, much like ocean waves, DeForest says. In this scenario, even if sound could travel through space, the waves wouldn’t even make it out of the sun’s corona, or atmosphere. Instead, they’d implode as shock waves, dissolving into heat.
Can you fart in space?
But if you’re an astronaut, every fart is a ticking time bomb. The gases in farts are flammable, which can quickly become a problem in a tiny pressurized capsule in the middle of space where your fart gases have no where to go.
Why we Cannot talk in space?
Because there is nothing out in space (like an atmosphere), the sound waves from one astronaut’s whistling can’t travel over to the other astronaut’s ears. That’s why the astronauts use radios to communicate—even if they’re floating in space right next to each other!
Why is space 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.
Is space completely silent?
While the vast majority of space is a vacuum, and thus completely silent, there still are some areas that sound can be heard.