Cosmic Ring

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microplan
Posts: 232
Joined: Sat Sep 18, 2021 7:17 am
Location: Szczecin, Poland

Cosmic Ring

#1 Post by microplan » Tue Nov 29, 2022 11:11 pm

Hello.

That shimmering ring seems to be a collection of bacteria.
It looks like a traveling shockwave from a Supernova explosion in the microworld. :)
Come on, this is such a joke.

https://youtu.be/gmoO6Odx_A4

Regards.

DonSchaeffer
Posts: 3275
Joined: Sun Mar 22, 2020 10:06 am
Location: Winnipeg, Manitoba, Canada

Re: Cosmic Ring

#2 Post by DonSchaeffer » Tue Nov 29, 2022 11:42 pm

The file can't be accessed. It's listed as private.

microplan
Posts: 232
Joined: Sat Sep 18, 2021 7:17 am
Location: Szczecin, Poland

Re: Cosmic Ring

#3 Post by microplan » Wed Nov 30, 2022 12:18 am

I'm very sorry.
My mistake.
Already corrected.
It seems to be visible now.
DonSchaeffer, thank you for pointing out my mistake :)

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imkap
Posts: 750
Joined: Thu Nov 25, 2021 9:44 pm

Re: Cosmic Ring

#4 Post by imkap » Wed Nov 30, 2022 12:26 am

:D you're into the cosmos too. It is a false-astrophotography day today... Where would we be without our beloved dust.

By the way, nice video...

ddy5
Posts: 78
Joined: Sun May 03, 2020 12:37 pm
Location: Maryland, USA

Re: Cosmic Ring

#5 Post by ddy5 » Wed Nov 30, 2022 1:50 pm

Very cool. I once saw the same strange, cosmic phenomenon. It's amazing how quickly the diameter increases - quite clear in the video. I've more frequently seen high bacterial densities form in straight lines, like rivers. Protozoa have occasionally formed lines of high density as well.

Does anyone know why this happens? For the circles, is there something in the center that repels the bacteria or are they simply 'eating' their way outward, dividing as they go? For the straight lines, is there some resource gradient they are following? Why would it be straight lines sometimes and circles in other cases?

Cheers, David

microplan
Posts: 232
Joined: Sat Sep 18, 2021 7:17 am
Location: Szczecin, Poland

Re: Cosmic Ring

#6 Post by microplan » Wed Nov 30, 2022 2:53 pm

dd5 - unfortunately I can't answer your question. For me, it was a curiosity that I recorded.

imkap - I've always been intrigued by the Cosmos.
When I was much younger, I even wanted to buy myself a telescope to observe the sky.
But long ago, the evening sky was polluted with light.
So I pointed my telescope down and that's how I became interested in microscopy as an amateur.
And besides, it's easier to spot aliens on the glass. :D

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