The Sun’s not Behaving…

Check out this dramatic and slightly alarming picture of a huge filament emanating from the surface of the Sun, courtesy of NASA’s Solar Dynamics Observatory. The filament is about 700,000km long, apparently – that’s an entire Solar Radius. It’s expected to collapse back into the Sun at some point, an event which should be rather exciting! For more details see here.

Even better, here’s a close-up animation.


It reminds me a bit of that Balrog thing in The Lord of the Rings that gave Gandalf such a good run for his money.


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2 Responses to “The Sun’s not Behaving…”

  1. Anton Garrett Says:

    Is this anything to do with why it’s so cold?

  2. telescoper Says:

    I doubt it. The Sun has been in a state of very low activity in recent times but is now starting to get active again…

    ..the filament isn’t heading for us, by the way!

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