Looks like the video is about 20 minutes of real time per 1 second of video. There are dops of plasma that fall further than the diameter of Earth in less than one in video second... which means the plasma is falling the more than the diameter of Earth in less than 20 minutes. That's close to 100,000 mph or 160,000 kph. Dang
this post was submitted on 10 Apr 2025
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Another cloud free day in Scotland let me catch almost 9 hours of this huge and lively prom. Taken with my home made 90mm modded Coronado PST and DMK21 camera. Software: CdC, Eqmod, DSSR, AutoStakkert!, Wavesharp, DVS, Shotcut and Gimp.
David Wilson on April 8, 2025 @ Inverness, Scotland
https://spaceweathergallery2.com/indiv_upload.php?upload_id=221951
About 0.01% of the speed of light. I got a Lorentz factor of 1.00000001 so not quite fast enough for relativistic stuff.
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The "earth to scale" really boggles my mind π«¨
Thank you, I didn't even see that.
Needs banana
It's there, you just gotta zoom in a bit.
There is banana on the Earth
God damned KDE devs at it again /s
For comparison the distance from the plasma cloud to the sun's surface is about how far communication satellites in geostationary orbit are above Earth.
I know all kinds of nerdy things.
So dumb question, but whatβs causing the gap between the plasma cloud(?) and the surface? And is that gap filled with something that is invisible?
Plasma is electrically charged, so it interacts with magnetic lines.
The sun has magnetic field lines just as the earth does. It also rotates. But- since it's not solid, it doesn't have to rotate all at the same speed. The plasma in fast-rotating regions drags the field lines further than the plasma in slow rotating areas, creating weird loops, breaks and reconnections in the field lines. I'm almost certain that what we're seeing in this lovely bit of photography is a cloud of plasma travelling across, or trapped by one of those rogue field lines which has been pushed upwards from the surface by differential rotation.
Thatβs fascinating. Thank you for sharing!
Nuh-uh, come on, that can't be real. So cool.
Even cooler: solar flares and mass ejections come about when one of the lines snaps like a whip and hurls billions of tonnes of plasma into space. Search: solar magnetic reconnection.
I see words in this thread but donβt understand, but are you saying here that those streams / clouds are taught? In order to be snapped.
Yes, the material the streams are made of is magnetic, and there is a strong and unusual magnetic field around the sun. So those streams are trapped by magnetism.
The dynamics there due to sheer gravity, magnetism and levels of energy/radiation that are utterly alien to our daily experience.
I get some of the basic underlying mechanics, but I absolutely cannot comprehend it. Incredible.
A guess: doubly ionized helium vs. singly ionized helium. They absorb different amounts of radiation (have different opacity). At high opacity it gathers heat and subsequently expands. At low opacity it lets the heat pass through, subsequently cools and condenses.
(This is the mechanism that makes Cepheid stars regularly and predictably change intensity. The same mechanism is probably present in other stars too, and causes local processes that we cannot observe from another star system... but can observe in the Sun.)
Alternatively, there could be a multitude of other effects doing something similar.
This is the mechanism that makes Cepheid stars regularly and predictably change intensity
Doesn't it also make the Cepheid noticeably swell (then deflate) in circumference? Or does it maintain the same basic size, and it's just storing magnetic bubbles of hot plasma like a halo, before bursting and releasing all that accumulated material?
To my understanding they do chance circumference. The opaque doubly ionized helium forms at high temperature, expands until temperature drops (change in circumference), drops to singly ionized after expansion, and gets doubly ionized again after contraction (another change in circumference). In Cepheids, it's uniform across the whole star.
Thus, your question makes me doubt my original speculation that it's helium changing ionization levels. The way some material "climbs up" into the arc in this video (from the right end, at one point of time) while other material "rains down" make a magnetic explanation (proposed by others here) seem more plausible.
All that energy and here we are burning oil like cavemen in the dark.
Caveman didn't burn oil π€
They might have soaked fabric or some other material in animal fat (which is just oil that's solid at room temperature), wrapped it around the end of a stick, and lit it on fire. π€π€
You know any efficient way to harness that energy?
Solar panels?
Doesnβt take a genius: Dyson Sphere
Doesnβt take a genius
Dyson Sphere
I assume that's sarcasm π
Roughly you need at least 906.000 kmΒ² of 1x1m solar panelling.
I know a guy.
Another cloud free day in Scotland let me catch almost 9 hours of this huge and lively prom.
As soon as I read the word "Scotland", my brain went back and revised this to be read in Scott Manley's voice.
Thanks, now mine did too
Absolutely amazing that you could capture that with βamateurβ equipment, although it is clear from your post that a lot went into this. Bravo!
It's crazy this guy is just doing this on his own. Looks like something from NASA to me.
fuckin love the fediverse
This image is cool as fuck. No! Wait. This image is hot as fuck.
It's both!
( Ν‘Β° ΝΚ Ν‘Β°)
I need details on how you homemade some stuff.
Thanks. That looks like some serious work, although very detailed.
Look at this and tell me life couldn't evolve on the Sun, that is a stable structure with reputation patterns, this alone is enough to make Conway's game of Life
Is this the actual image your camera sees? Or is it more like heat sensors visualized, or something like that?
To add what the others said, this image is most likely taken with a special filter for taking only one specific wavelength, so color. In this case H-alpha, so excited hydrogen atoms, which is deep red. With this and additional filters for safety you can see more or less this image yourself, except it's red. I already had the opportunity to try this.
Here is a site showing daily images of the sun taken with different filters. Red is H-alpha, also shown in OP. Only with this filter you can see the protuberances. White is white, so what you would see if you could look directly without burning your eyes, or what you see with eclipse goggles. Right is another special Line, Calcium K. All of this you can look at with the right filters and a telescope and it looks similar to the images here, except the two colors are even more saturated than shown here. However, changes are on the order of minutes, so it looks more like an still image.
However, the sun and planets are pretty much the only object where images are similar to what you could see with telescope and filters. Colorful images of the moon are always heavily processed. For nebulas and galaxies its even more of a difference, they are just too dark to see more than a grey blob. For this a telescope does not help much, similar to a lens not helping to see in the dark. So nebulas and galaxies are shown at least hat they would look like, if they were brighter. But most of the time they are shown with a lot brighter colors than reality.