official news from : https://bit.ly/2QkyIbY NASA selected nine finalists out of the 45 semifinalist student essays in the Power to Explore Challenge, a national competition for K-12 students featuring the enabling power of radioisotopes. Contestants were challenged to explore how NASA has powered some of its most famous science missions and to dream up howContinue reading “NASA Names Finalists of the Power to Explore Challenge”
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