The spacecraft will make one more flyby in the future and eventually settle into orbit around the planet in 2011 .
信使号还将进行一次定点飞越并在2011年最终进入水星轨道。
One hundred and fifteen elementary school students will be at jpl during the flyby .
小行星飞掠期间，jpl将聚集115名小学生。
Named for the impressionist painter , the 52 kilometer diameter crater is also shown in an inset context image from the mariner 10 flyby mission in the mid 1970s .
" The surprise is that it appears to be more volcanic than the moon , " zuber said at a press conference . " Very few people would have thought that before the first messenger flyby . "
Nasa officials say the second messenger encounter with mercury will follow up data gathered during messenger 's january flyby , during which scientists learned new details about an enormous impact crater , volcanic structures and lava fields .
