MESSENGER Begins Historic Orbit Around Mercury
19/03/2011.
NASA
metalocus, JOSÉ JUAN BARBA
metalocus, JOSÉ JUAN BARBA
For the next several weeks, APL engineers will be focused on ensuring the spacecraft’s systems are all working well in Mercury’s harsh thermal environment. Starting on March 23, the instruments will be turned on and checked out, and on April 4 the mission's primary science phase will begin.