Top 6 Facts about the year’s final Solstice – Starts With A Bang

Top 6 Facts about the year’s final Solstice – Starts With A Bang
http://scienceblogs.com/startswithabang/2013/12/18/top-6-facts-about-the-years-final-solstice/

Alcune curiosità astronomiche sul solstizio di fine anno…

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