scinerds:Twin NASA Probes Start Mapping Lunar Gravity The twin GRAIL probes have just begun their
scinerds: Twin NASA Probes Start Mapping Lunar Gravity The twin GRAIL probes have just begun their science mission and will use a precision formation-flying technique to map Lunar Gravity, as depicted in this artist’s rendering. Radio signals traveling between the two spacecraft provide scientists with exact measurements which will result in the most accurate gravity map of the moon ever made. Credit: NASA/JPL-Caltech NASA’s twin lunar orbiting GRAIL (Gravity Recovery and Interior Laboratory) spacecraft christened Ebb and Flow have kicked off their science collection phase aimed at precisely mapping our Moon’s gravity field, interior composition and evolution, the science team informed Universe Today. Continue Reading -- source link