Auroral activity 2017 October 21 − December 20
The Sun is very quiet and the 11-year cycle seems to be coming to an end, with 101 ‘no sunspot
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Archives
Patterns of polygons in Jupiter’s polar storms
The Juno spacecraft orbiting Jupiter has discovered that cyclones around the planet’s poles are tightly packed into remarkable polygonal patterns.
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Sky Notes: 2018 February & March
Brian says try for M3, Globular Cluster, North of Arcturus, a difficult naked-eye target
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