article_snippet.sent: But Probe hasn't finished Probe mission  yet, with new, detailed views emerging of the closest planet as Messenger spirals closer to Probe surface.
article_snippet.sent: I have worked on the mission for 19 years.
article_snippet.sent: our have met that challenge directly through innovation and hard work, as exemplified by the stunning discoveries and data return achievements. '
article_snippet.sent: our only regret is that our have insufficient propellant to operate another 10 years, but our look forward to the incredible science returns planned for the final eight months of its mission.'
article_snippet.sent: During its mission to Mercury has acquired more than 250,000 images and collected more than 10 terabytes of data with Messenger suite of seven instruments.
highlights_snippet.sent: Probe has been orbiting Mercury since 2011, taking 250,000 pictures .
  