Above it is a close up of sunspot AR2158 where the x class solar flare erupted from yesterday (big spot top centre of bigger photo).
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11/09/2014 14:52 |
Did you know the Sun has a rotational period of 25 Earth days at it's equator and it's apparent rotational period as seen from Earth is about 26.2 days due to our orbit around it.
Also it has different rotation rates at different latitudes taking 34 days to rotate at it's poles and an apparent rotation rate of around 36 days at it poles as seen from Earth.
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