GRAIL Mission Extended To December

Image Credit: NASA

US$496M Mission Extended 6 Months Allowing Scientists To Complete More Definitive Map Of Lunar Gravity Field From Lower Orbit; Twin Crafts Will Orbit Average Of 22.5km Above Moon During 2nd 3-Month Mapping Cycle, Sep-Dec; Mission Was Intended To End In June Before Lunar Eclipse, Mission Planners Now Hope To Crash Probes Into Lunar Surface In December, Ideally In LRO Field Of View