A) Dark, usually irregularly shaped spots on the sun's surface that are actually solar magnetic storms
B) They don't change themselves..there are spikes in the 11 year period.
C) It shows how occurence of sunspots shifts from higher latitudes towards the equator.
D) The cycle of activity in the photosphere that is a 22 year cycle.
E) information showed that during low sunspot activity, earth had long dragging brutal winters, so it's important to the earth's climate.
F) 2011-2012
G) telescopes
H) Sun solar projection telescopes
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