Re:Sun's surface seen in new detail
by puzzledobserver on Thursday January 30, 2020 @08:43AM
(#22191212)
Does that mean that the material within those structures is moving at supersonic speeds? The video makes it look almost serene.
I wonder what the speed of sound is in the solar medium, at the ambient temperature and pressure.
Re:Sun's surface seen in new detail
by drjesusphd on Thursday January 30, 2020 @11:39AM
(#22192707)
About 7000 m/s on the surface.
https://www.nso.edu/wp-content/uploads/2020/01/full_image_wi...
That image covers an area 2.5x the size of Earth, but it's showing less than 0.1% of the Sun.