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Questions tagged [sound]

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11 votes
3 answers

Do Pulsar stars make actual sounds?

From my understanding of pulsars, pulsars do not produce sound, but radio telescopes can record the radio waves they emit, which can be interpreted as sound. The radio waves are electromagnetic waves, ...
Ganit's user avatar
  • 221
2 votes
0 answers

If the distance from Earth to the Sun was filled with air, how loud would the sun be?

Based on this question: If there was air between the Sun and Earth, how warm would we get? Many sources state that if sound wasn't limited by matter, we would hear the Sun at around 100dB constantly, ...
dependsonmany's user avatar
5 votes
0 answers

There is a decibel limit to sound based on the medium, what is the decibel limit in neutronium?

I've been participating in many discussions online about the classic thought experiment on pressing a button a light year away with a light year long rod. The solution boils down to the speed of ...
Aaron Hathaway's user avatar
3 votes
1 answer

Is the sound horizon 500 thousand light years or 500 million light years?

At 06:30 in the nice video Sound Waves from the Beginning of Time about the baryon acoustic oscillations (BAO), the speaker says the sound horizon is about $500$ ...
Consideration's user avatar
2 votes
0 answers

How does a comet crumble? Are there models for that?

Edit: Initially, the title was How does the crumbling sound? I am curious how comets degradate or even disintegrate over time, in particular while they are close enough to the Sun to have tails. Is ...
B--rian's user avatar
  • 5,616
-3 votes
1 answer

How loud would a supernova, kilonova, and hypernova be? [closed]

If we could hear the sounds of these explosions directly where it was happening, how loud would each of these events be?
chowder's user avatar
  • 492
13 votes
1 answer

How loud was the asteroid that killed the dinosaurs?

Asteroid impacts on the Earth can be very loud when they break up in the atmosphere, like Chelyabinsk, captured in this video: The Chelyabinsk asteroid break-up was ...
Connor Garcia's user avatar
  • 16.3k
2 votes
0 answers

Convert pulsar data to sound

I have a filterbank data (say name.fil) which I have dedispersed and stored into name.dat file using PRESTO. May I ask for detailed steps and explanation on how to convert that data to sound?
user30981's user avatar
  • 199
5 votes
2 answers

Basic explanation of baryon acoustic oscillations; what if anything is actually oscillating?

Sci-News' Sloan Digital Sky Survey Collaboration Releases New 3D Map of Universe links to the two videos The eBOSS 3D map of the Universe SDSS releases largest 3D map of the universe ever created ...
uhoh's user avatar
  • 30.8k
3 votes
2 answers

How loud would a black hole be?

If we could hear black holes, how loud would they be? I know that this is basically the same question as the question "How loud would the Sun be?", except this time there is a black hole. But since ...
Leo Pan's user avatar
  • 328
139 votes
3 answers

How loud would the Sun be?

Sound can't travel through outer space. But if it could, how loud would the Sun be? Would the sound be dangerous to life on Earth, or would we barely hear it from this distance?
Jamie's user avatar
  • 1,149