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Mark Fisher
1999-2008
Pherkard
Yildun, Delta Ursae Minoris, 23 Ursae Minoris
Image of Pherkard
A close-up view of Pherkard in Ursa Minor. Matter thrown outward from the star's photosphere forms loops and fan shapes ('prominences') thousands of miles across.

A white, A-type star lying more than 180 light years from the Sun. After Polaris, this is one of the closest stars to the Northern Celestial Pole.

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