Two satellites, launched in 2002, are able to make detailed measurements of the Earth's gravity field in the Gravity Recovery and Climate Experiment (GRACE).
Two satellites, launched in 2002, are able to make detailed measurements of the Earth's gravity field in the Gravity Recovery and Climate Experiment (GRACE).
Two satellites, launched in 2002, are able to make detailed measurements of the Earth's gravity field in the Gravity Recovery and Climate Experiment (GRACE).
Two satellites launched 2002 are, in, able to make detailed measurements of the Earth 's gravity field in the Gravity Recovery. And Climate Experiment (GRACE). .