NASA ARTEMIS P2 craft surpasses another full year in lunar orbit since 2011; 1 of 5 satellites launched 2007 to study Earth magnetosphere
15 Years in Lunar Orbit: ARTEMIS P2 Satellite
NASA ARTEMIS P2 craft surpasses another full year in lunar orbit since 2011; 1 of 5 satellites launched 2007 to study Earth magnetosphere