NASA probe enters lunar orbit – USATODAY.com: "The Grail probes — short for Gravity Recovery and Interior Laboratory — have been cruising independently toward their destination since launching in September aboard the same rocket on a mission to measure lunar gravity.
Hours before revelers in Times Square celebrated the New Year, Grail-A approached the moon and fired its engine for about 40 minutes to get captured into orbit. Deep space antennas in the California desert and Madrid tracked every move and fed real-time updates to ground controllers"
'via Blog this'
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