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The sun at St Mary's church
The News, Portsmouth
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2 years ago
The sun at St Mary's church
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- My name is Professor Robert Walsh,
00:32
I'm a professor of solar astrophysics
00:35
at the University of Central Lancashire,
00:37
and that's in Preston, up in the northwest of England.
00:40
And I work with NASA and the European Space Agency
00:43
to try and understand the sun, our closest star.
00:46
And what we've got behind me here
00:48
is a seven meter diameter representation of our sun.
00:53
It's real data from NASA's solar dynamics observatory.
00:58
So everything you see here really has happened on the sun.
01:00
We've taken 10 weeks in the life of the sun
01:03
and squeezed it down to 12 and a half minutes.
01:05
And every time it changes in color,
01:07
every two and a half minutes,
01:08
it's picking a different part of the light from the sun
01:11
that we see in extreme ultraviolet light.
01:14
But this is really what your star looks like
01:16
if you were to go out into space
01:18
and put these extreme ultraviolet spectra on.
01:21
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