this post was submitted on 07 Sep 2024
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Science Memes

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[–] [email protected] 4 points 2 months ago

so, someone did the math on that?

no vacuum, that means atmosphere. so lets say 1 atmospheric pressure the whole way.

which would be sad, because rain, clouds, ozone layer and countless other atmospheric phenomen would be impossible. so no life on the planet anyway.

https://en.wikipedia.org/wiki/Acoustic_attenuation

how loud is the sun? does anybody know? what is the acoustic pressure on a certain orbit near the sun, iof there is atmosphere?

so, the acoustic presssure needs to reach earth. it needs to travel 13 years.

overcoming this much atmosphere between sun and earth eats energy, since there is a resistance. because there is an atmosphere, see? thats why sound gets softer and softer, the more away you are from the source.

so I guess the whole idea is bullshit.

but i am just a construction worker, maybe someone else will do the math.

i doubt any light rays would make it here. it would be pitch black dark.

the light would be scattered by the atmosphere.

the vaccum does not block sound. it just doesnt transmit it. there is nothing what can block.

same as vacuum does not suck. never. the key is pressure differential, the higher pressure dictates what will happen, not the lower pressure.

[–] [email protected] 3 points 2 months ago

Probably be a big roar. Like hurricane wind.

[–] [email protected] 7 points 2 months ago (1 children)

First time I saw the North Lights in person I also expected something other than complete silence. I don't know what, but they're so surreal and massive I thought you'd hear something.

[–] [email protected] 1 points 2 months ago

I expected to hear MF DOOM's Accordion

[–] [email protected] 3 points 2 months ago

That last bit is a little poetic to say the least.

[–] [email protected] 20 points 2 months ago (1 children)

imagine ... hearing the jackhammer scream of our star

Sounds are a form of energy. If we were bombarded by sound waves for the entire existence of the planet, I assume life would have adapted to harness this abundant power source and made it instrumental to how we survive and thrive.

[–] [email protected] 14 points 2 months ago

instrumental

Heh.

[–] [email protected] 38 points 2 months ago (2 children)

the sheer scale of the universe makes me want to get into astronomy.

[–] [email protected] 46 points 2 months ago* (last edited 2 months ago) (3 children)

Oh boy! YouTube suggestions for you!

  • Astrum
  • PBS space time*
  • scishow space
  • History of the universe******
  • Coolworlds*
  • Arvin Ash
  • Paul Sutter*
  • Startalk
  • Kurzgesagt*

My favs are starred

[–] [email protected] 3 points 2 months ago

i'll definitely have to come back and check some of these out sometime.

[–] [email protected] 6 points 2 months ago (1 children)

Astrum, history of the universe and PBS spacetimes content is soooo good they absolutely get money from me regularly and I hope they stick around for decades to come!

[–] [email protected] 1 points 2 months ago

Yes. HOTU is the best channel I swear. They are so professional and so polished.

[–] [email protected] 11 points 2 months ago (2 children)

Do it! It's a fantastic science, with ever expanding horizons! That being said, if working in the field is a bit too much, amateur astronomy is a fabulous and friendly hobby - if a bit expensive

[–] [email protected] 1 points 2 months ago

it does sound like a fascinating field, but im not sure there's much in it for me outside of a hobby. I guess i need to look into what the field actually does lol.

[–] [email protected] 11 points 2 months ago (1 children)

It’s a fantastic science, with ever expanding horizons!

Pun appreciated.

[–] [email protected] 4 points 2 months ago (1 children)
[–] [email protected] 2 points 2 months ago

It's out of this world funny.

[–] [email protected] 34 points 2 months ago (2 children)

On the plus side, if we evolved on Planet Sunblaster then our hearing would have evolved to either dial down the volume or filter it out completely.

[–] [email protected] 5 points 2 months ago

Or perhaps we'd use the reflected soundwaves to navigate with echolocation much like we use reflected light waves to see.

[–] [email protected] 16 points 2 months ago* (last edited 2 months ago) (1 children)

I mean we hear the sound of our blood rushing through the veins of our ears at all times, but our brain filters it out. That the "sound of the ocean" you hear when listening into a conch, it just amplifies the bloodwaves. Other fun stuff our brain does: Our eyes are actually perceiving the world upside down and with a blind spot right in the middle.

[–] [email protected] 6 points 2 months ago* (last edited 2 months ago) (1 children)

The way senses are processed is almost unbelievable.

When your eyesight is partially damaged (by a laser, for example), your brain will fill in the spots, so you won't even realise there's a problem until it's too late (too much damage to cover up).
As the above stated, there's a blind spot (although I don't think it's smack in the middle) - there are tests online you can try to 'see' it.
Your sight also automatically enhances objects it thinks are important, and will predict movementsand patterns, e.g. a baseball you're trying to hit.
There's also no colour in peripheral vision, although the brain does colour it in.

[–] [email protected] 3 points 2 months ago

Oh, didn't know the one with no color in peripheral vision, that's fun!

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