Amazing Coronal Hole

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Amazing Coronal Hole

Postby jsc248 » Wed Oct 21, 2015 10:39 am

Hi Gang,

This, for me, was one of those jaw dropping images that astronomers capture now and then. It shows a large coronal hole on the surface of the Sun. This is where magnetic field lines are open to space. Take a look at the image here and if you have time take a look at the other solar images accessible from the webpage

To me astronomy is looking up and thinking "What the heck is going on up there!!"
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Re: Amazing Coronal Hole

Postby Joycesmith » Tue Oct 31, 2017 6:33 am

Coronal hole is a region on the sun where the magnetic field is open to interplanetary space. And sending coronal material speeding out is called a high-speed solar wind stream.
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