What would a supernova sound like?

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    Sound Supernova
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Discussion Overview

The discussion explores the hypothetical sound produced by a supernova if it were surrounded by an atmosphere similar to Earth's. Participants consider the nature of sound propagation in such a scenario, the characteristics of the sound, and how it might differ if a black hole were formed.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant suggests that if a supernova were surrounded by an Earth-like atmosphere, the sound produced might resemble a regular explosion or something novel, depending on the conditions.
  • Another participant expresses skepticism about the ability of sound waves to propagate through dozens of light years of atmosphere without losing energy, suggesting that it might be inaudible.
  • A third participant references a quote, implying a philosophical perspective on the nature of the event.
  • One participant notes that supernovae create supersonic shockwaves that would be experienced as a powerful sonic boom, indicating a different auditory experience than a typical explosion.
  • Another participant mentions NASA's work in converting electromagnetic fields into sound, suggesting a similar approach could be taken with supernovae.
  • One participant argues that supernovae inherently produce pressure waves that qualify as sound, raising the question of how loud it would be based on pressure levels and observer location.

Areas of Agreement / Disagreement

Participants express differing views on the audibility and characteristics of sound from a supernova, with no consensus reached on the specifics of sound propagation or the nature of the sound itself.

Contextual Notes

Limitations include assumptions about the hypothetical atmosphere, the effects of distance on sound energy, and the definitions of sound in different media.

Who May Find This Useful

Individuals interested in astrophysics, sound propagation, and the theoretical implications of astronomical events may find this discussion relevant.

serp777
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I obviously realize that sound requires a medium to go through. However, suppose that there was a supernova and it was magically surrounded by an atmosphere that has the same composition and density as Earth's atmosphere. Now, if you were far enough away so you didn't get wiped out, then what would it sound like? Would it sound like a regular explosion or something completely novel. Also, how would the sound change if the supernova formed a black hole? Thanks for your time.
 
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I'm not sure the sound wave could actually propagate through a few dozen light years of atmosphere without losing all of its energy. You might not hear a thing.
 
"Not with a bang but a whimper"
 
Supernovae create supersonic shockwaves through the interstellar medium. These move much faster than the speed of sound, so they would hit you as a sonic boom on steroids.
 
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Not exactly the same but NASA converted the electromagnetic fields of the planets into sound and it's pretty amazing () I'd imagine you could do a similar sort of thing with a supernova.
 
You don't need to do the same thing in supernovae. Supernovae are already large explosions that emit plent of pressure waves that are, by definition, sound. The only really question is how loud it would be given the low base pressures involved and where the observer is located.
 

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