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Third and Final Flyby of Mercury for MESSENGER Next Week - Universe Today
[/caption] Next week, on September 29, 2009 the MESSENGER spacecraft will fly by Mercury for the third and final time, looking at areas not seen before in the two previous passes. The spacecraft will pass 141.7 miles above the planet’s rocky surface, receiving an a final gravity assist that will enable it to enter orbit … Continue reading "Third and Final Flyby of Mercury for MESSENGER Next Week"