UV timelapse of the Sun in 4K, 52 min = 1 second

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Discussion Overview

The discussion revolves around a UV timelapse video of the Sun, focusing on the behavior of solar flares as depicted in the footage. Participants explore the visual phenomena observed in the video, questioning the nature of the flares and the implications of their movement.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • Some participants express admiration for the video, describing it as stunning and mesmerizing.
  • One participant questions why the solar flares appear to reverse course, suggesting that this might be an artifact of the time lapse rather than a representation of actual physical behavior.
  • The same participant proposes that the flares, which one might expect to fall back to the Sun's surface, could instead be influenced by magnetic field lines, allowing plasma to be ejected and then flow back down along these lines after being halted by gravity.

Areas of Agreement / Disagreement

There is no consensus on the interpretation of the flares' behavior; participants present differing views on whether the observed phenomena are artifacts of the video or genuine physical processes.

Contextual Notes

The discussion does not resolve the assumptions regarding the nature of the flares or the influence of magnetic fields, leaving these aspects open to interpretation.

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Stunning and mesmerizing,

 
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Amazing video!
 
Why is it that the flares appear to reverse course exactly. See at the right side at 1 minute mark for an example. One would expect that the flare would fall back to surface of the sun, as if you sprayed water with a hose on an angle.

Is this an artifact of the time lapse, what one sees is the change in intensity of the flare over time as opposed to some matter being ejected?
 
Nick-stg said:
Why is it that the flares appear to reverse course exactly. See at the right side at 1 minute mark for an example. One would expect that the flare would fall back to surface of the sun, as if you sprayed water with a hose on an angle.

Is this an artifact of the time lapse, what one sees is the change in intensity of the flare over time as opposed to some matter being ejected?

I'm guessing that the plasma is following the magnetic field lines. Perhaps it is ejected, flies upwards until gravity stops it, then flows back down the field lines as it falls back.
 
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