If you live near @NASAGoddard, come to the Visitors Center on March 18 (1-3pm) with your kids for "Sunday Experiment": http://on.fb.me/zAi4CJ
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If you live near @NASAGoddard, come to the Visitors Center on March 18 (1-3pm) with your kids for "Sunday Experiment": http://on.fb.me/zAi4CJ
