Reference

Cain, Fraser. "How Did Mercury Get Its Name?" Universe Today RSS. Universe Today, 15 June 2010. Web. 25 Apr. 2014.

"Discover Mercury." Discover of Mercury by Early Astronomers, Missions. NESTA, n.d. Web. 25 Apr. 2014.

"Mercury: Overview." Solar System Exploration. NASA, n.d. Web. 23 Apr. 2014.

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