Seven-Year Mission To Mercury Ready For Ambitious Launch

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By: Rob Picheta, CNN
(CNN) — A seven-year, 8-million-kilometer voyage expected to shed light on the mysteries of Mercury, the solar system’s least-understood planet, is nearly ready for takeoff.
The ambitious BepiColombo spacecraft will be launched from a European space port in French Guiana early Saturday.
It will begin the most comprehensive journey ever made to the closest planet to the sun, which has puzzled scientists for centuries.
When BepiCo