Our @MESSENGER2011 by the numbers. The mission ended today after impacting Mercury's surface. http://t.co/5F9A5c1E2c http://pic.twitter.com/S8ujImHk4o
— NASA (@NASA) April 30, 2015
from Twitter https://twitter.com/MrBcchscience
April 30, 2015 at 07:02PM
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