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astro-allen.hit.bg/ stars.htm

Vinagi.bg

http://spaceguide.hit.bg/Stars.htm#K

http://bg.wikipedia.org/wiki/Слънце

http://upload.wikimedia.org/wikipedia/commons/6/61/Solar_Life_Cycle-BG.svg

http://interesen.com/?p=2448

http://interesen.com/wp-content/uploads/2009/07/sun-6.png

http://www.google.bg/imgres?imgurl=http://beli3.hit.bg/image005.jpg&imgrefurl=http://beli3.hit.bg/&usg=__xP4RdGR_txuLIRojtHyeXhp8osI=&h=216&w=252&sz=6&hl=bg&start=10&zoom=1&um=1&itbs=1&tbnid=Qkg5N7hfctKw8M:&tbnh=95&tbnw=111&prev=/images%3Fq%3D%25D0%25B1%25D0%25B5%25D0%25BB%25D0%25B8%2B%25D0%25B4%25D0%25B6%25D1%2583%25D0%25B4%25D0%25B6%25D0%25B5%25D1%2582%25D0%25B0%26um%3D1%26hl%3Dbg%26client%3Dopera%26sa%3DX%26rls%3Dbg%26channel%3Dsuggest%26tbs%3Disch:1

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