News articles tagged with 'sunspot'
Solar cycle driven by more than sunspots
— 18 Sep 2009 11:59 | EnvironmentChallenging conventional wisdom, new research finds that the number of sunspots provides an incomplete measure of changes in the Sun's impact on Earth over the course of the 11-year... — full story
Long-standing sunspot puzzle solve
— 19 Aug 2009 12:00 | AstronomyScientists at the Universities of Glasgow, Strathclyde and Central Lancashire have used 21st Century solar observations and image processing to finally solve a sunspot puzzle first... — full story
SOHO: the new solar cycle starts with a bang
— 14 Jan 2008 17:16 | AstronomyThe appearance of a very special solar spot on the sun surface a few days ago, signalled to scientists around the world that a new solar cycle had begun. This solar spot also produced... — full story
Sunspot is harbinger of new solar cycle, increasing risk for electrical systems
— 8 Jan 2008 16:06 | AstronomyA new 11-year cycle of heightened solar activity, bringing with it increased risks for power grids, critical military, civilian and airline communications, GPS signals and even cell... — full story
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