[DOC] [TLE] Space Weather: Sunspots, Solar Flares & Coronal ... - Space.com [PAR] Feb 2, 2015 ... All of these fall under the definition of "space weather." ... Studying the surface of 
the sun can reveal small, dark areas that vary in ... According to NASA, it takes 
approximately 11 years for the sun to move through the solar cycle that is ... At the 
peak of the cycle, several flares may occur each day, with an... [DOC] [TLE] How the Sun's 11-Year Solar Cycle Works - Live Science [PAR] Jun 15, 2011 ... The sun's temper varies on an 11-year cycle, typically taking about 5 1/2 years ... 
The frequency and number of these mysterious dark spots on the solar ... Some 
powerful solar storms can bombard Earth's magnetic field and disrupt ... after this 
peak, the sun's activity could see a significant drop in Cycle 25. [DOC] [TLE] Chapter 9, Section 4 [PAR] Each spot consists of a cool, dark inner region called the umbra surrounded by a 
... in Figure 9.15(a) shows both of these dark areas against the bright background 
.... For the first 11 years of the solar cycle, the leading spots of all sunspot pairs in 
... Most pairs or groups of sunspots have active regions associated with them. [DOC] [TLE] Sunspot - Wikipedia [PAR] Sunspots are temporary phenomena on the photosphere of the Sun that appear 
as dark spots ... Their number varies according to the approximately 11-year 
solar cycle. ... visible light) of a heated black body (closely approximated by the 
photosphere) at these temperatures ... Sunspot activity cycles about every eleven 
years. [DOC] [TLE] Solar cycle - Wikipedia [PAR] The solar cycle or solar magnetic activity cycle is the nearly periodic 11-year 
change in the .... These eruptive phenomena can have a significant impact on 
Earth's upper ... Flares of any given size are some 50 times more frequent at solar 
maximum than at ..... The magnetic polarity of sunspot pairs alternates every solar 
cycle,... [DOC] [TLE] Solar Storm and Space Weather - Frequently Asked Questions | NASA [PAR] Apr 26, 2016 ... Do space weather effects/solar storms affect Earth? ... A solar flare is an intense 
burst of radiation coming from the release of magnetic energy associated with 
sunspots. .... Sunspots, dark areas on the solar surface, contain strong magnetic 
... of high and low activity that repeat approximately every 11 years. [DOC] [TLE] Sunspots and Solar Flares | NASA [PAR] Mar 20, 2012 ... A solar flare is an intense burst of radiation coming from the release of ... They 
are seen as bright areas on the sun and last from mere .... These structures are 
associated with the closed magnetic field lines that .... 2013 was supposed to be 
the year of "solar maximum," the peak of the 11-year sunspot cycle. [DOC] [TLE] The Sun : The solar system : Fact files : Learning : National Maritime ... [PAR] The Sun loses half a million tons every second in this destruction of mass to give 
... over an approximately 11 year cycle, producing variations in the Earth's 
magnetic field ... The increase and subsequent decrease in sunspots (the areas 
of which are ... These disturbed regions are seen as dark markings on the Sun's 
surface. [DOC] [TLE] layer of plasma above the Sun's photosphere. ... A - PBS [PAR] Shorthand for a filter that has a peak transmission at, or close to, 171 angstroms. 
... An area of the corona that appears dark when viewed in ultraviolet light. ... they 
carry hot material with them and leave patches of the solar surface cooler. .... 
About every 11 years the Sun's magnetic field changes from north to south, and 
then... [DOC] [TLE] Sunspots, solar flares, solar cycles, and how the Sun affects weather ... [PAR] Solar activity forecast 2016, solar cycle history, sunspot count, and space ... 
Sunspots, which appear to us as dark patches, are magnetic storms on the 
surface. They occur where these intense magnetic loops poke through the Sun's 
surface. ... Sunspot cycle duration is 11 years on average and typically peak, one 
time,... [DOC] [TLE] Solar

Question: Solar flares are associated with these dark areas that peak about every 11 years
Answer: Sunspots