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Cool facts about Mercury gathered by the Messenger probe during its first flybys.
NASA page with lots of info on the Messenger spacecraft, the first to visit Mercury since 1975.
A brief description of how Project Mercury work. This site is part of Marshall Brain's HowStuffWorks.com
The story of how Einstein's theory of gravity solved the paradox of Mercury's orbit.
The liquid state of the element mercury was a big conundrum until Einstein's theory of relativity was incorporated into the calculations of the electrons.
Description of how mercury barometers measure pressure.
The precession of the orbits of inner planets, especially Mercury, cannot be accurately described by Newtonian theory but are in close agreement with general relativity.
In 1914, James Franck and Gustav Hertz performed an experiment which demonstrated the existence of excited states in mercury atoms, helping to confirm the quantum theory which predicted that ...